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JEE Inverse Trigonometric Functions PYQs with Solutions

266 previous year questions from Inverse Trigonometric Functions (JEE Main & Advanced Mathematics) with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

266 questionsMathematics2002–2026Answers + solutions

About Inverse Trigonometric Functions PYQs

Inverse Trigonometric Functions has 266 previous year questions in the Quantrex Academy JEE Main & Advanced Mathematics bank. The 220 questions in this list come from JEE Main (91), NTA Abhyas JEE Main (71), 99 Percentile Qs Bank for JEE Main (40) and 2 other sources, spanning 2002 to 2026. Each question opens on its own page with the options, the correct answer and the worked solution where available.

Questions by year (this list)

  • 2026: 13
  • 2025: 10
  • 2024: 9
  • 2023: 10
  • 2022: 14
  • 2021: 15
  • 2020: 74
  • 2019: 8
  • 2018: 1
  • 2017: 2
  • 2015: 3
  • 2014: 4

Inverse Trigonometric Functions questions with solutions

1

Considering only the principal values of the inverse trigonometric functions, the value of ^ -1 ( (-11)) + 10 (2 ^ -1 ( 1 2 )) + 10 (2 ^ -1 (2)) is

JEE Advanced 2026 Solution
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2

Let α = 3 ^ -1 ((6)/(11)) and β = 3 ^ -1 ((4)/(9)) , where inverse trigonometric functions take only the principal values. Given below are two statements: Statement I: (α+β) > 0 .

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3

If ( ^ -1 (x 2 )) = ( ^ -1 1-x^2 ) , x ∈ (0,1) , then the value of x is :

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4

Let [·] denote the greatest integer function. If the domain of the function f(x) = ^ -1 ((x+[x])/(3)) is [α, β) , then α^2 + β^2 is equal to:

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5

Let 0 < α < 1 , β = (1)/(3α) and ^ -1 (1-α) + ^ -1 (1-β) = (π)/(4) . Then 6(α + β) is equal to:

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6

If (π)/(4) + ∑_ p=1 ^ 11 ^ -1 ( 2^ p-1 1 + 2^ 2p-1 ) = α , then α is equal to __________.

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7

If y = ^ -1 ((3 x - 4 x)/(4 x + 3 x)) + 2 ^ -1 ( x 1+ 1-x^2 ) , then (dy)/(dx) at x = 3 2 is equal to:

JEE Main 2026 Solution
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8

Considering the principal values of inverse trigonometric functions, the value of the expression (2 ^ -1 ( 2 13 )-2 ^ -1 ( 3 10 )) is equal to :

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9

If k= ((π)/(4)+(1)/(2) ^ -1 ((2)/(3)))+ ((1)/(2) ^ -1 ((2)/(3))) , then the number of solutions of the equation ^ -1 (k x-1)= ^ -1 x- ^ -1 x is \_\_\_\_

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10

If the domain of the function f(x)= ^ -1 ( 1 x^ 2 -2 x-2 ) , is (-∞, α] ∪[β, γ] ∪[δ, ∞) , then α+β+γ+δ is equal to

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11

The number of solutions of ^ -1 4x + ^ -1 6x = (π)/(6) , where - 1 2 6 < x < 1 2 6 , is equal to

JEE Main 2026 Solution
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12

Let the maximum value of ( ^ -1 x)^ 2 +( ^ -1 x)^ 2 for x ∈[- 3 2 , 1 2 ] be m n π^ 2 , where gcd(m, n)=1 . Then m+n is equal to \_\_\_\_ .

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13

If the domain of the function f(x)= ^ -1 ((2 x-5)/(11-3 x))+ ^ -1 (2 x^ 2 -3 x+1) is the interval [α, β] , then α+2 β is equal to :

JEE Main 2026 Solution
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14

The total number of real solutions of the equation θ= ^ -1 (2 θ)-(1)/(2) ^ -1 ((6 θ)/(9+ ^2 θ)) is (Here, the inverse trigonometric functions ^ -1 x and ^ -1 x assume values in

JEE Advanced 2025 Solution
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15

The value of ^ -1 ( 1+ ^2(2) -1 (2) )- ^ -1 ( 1+ ^2((1)/(2)) +1 ((1)/(2)) ) is equal to

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16

The sum of the infinite series ^ -1 ((7)/(4))+ ^ -1 ((19)/(4))+ ^ -1 ((39)/(4))+ ^ -1 ((67)/(4))+… . is :-

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17

Considering the principal values of the inverse trigonometric functions, ^ -1 ( 3 2 x+(1)/(2) 1-x^2 ),-(1)/(2) x 1 2 , is equal to

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18

If y= ((π)/(3)+ ^ -1 (x)/(2)) , then (x-y)^2+3 y^2 is equal to _____.

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19

Let \(S=\ x: ^ -1 x=π+ ^ -1 x+ ^ -1 (2 x+1)\ \). Then \(∑_ x ∈ ~S (2 x-1)^2\) is equal to ______.

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20

( ^ -1 (3)/(5)+ ^ -1 (5)/(13)+ ^ -1 (33)/(65)) is equal to:

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21

If α β γ 0 , then the expression ^ -1 \ β+((1+β^2))/((α-β))\ + ^ -1 \ γ+((1+γ^2))/((β-γ))\ + ^ -1 \ α+((1+α^2))/((γ-α))\ is equal to :

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22

If for some α, β ; α ≤ β, α+β-8 and ^2( ^ -1 α)+cosec^2( ^ -1 β)-36 , then α^2+β is_______.

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23

Using the principal values of the inverse trigonometric functions, the sum of the maximum and the minimum values of 16(( ^ -1 x)^2+(cosec^ -1 x)^2) is :

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24

Considering only the principal values of the inverse trigonometric functions, the value of ( ^ -1 ((3)/(5))-2 ^ -1 ( 2 5 )) is

JEE Advanced 2024 Solution
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25

The integral ∫_ 1 / 4 ^ 3 / 4 (2 ^ -1 (1-x)/(1+x) ) d x is equal to

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26

Let the inverse trigonometric functions take principal values. The number of real solutions of the equation 2 ^ -1 x+3 ^ -1 x=(2 π)/(5) , is _______

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27

For n ∈ N , if ^ -1 3+ ^ -1 4+ ^ -1 5+ ^ -1 n=(π)/(4) , then n is equal to_____

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28

Given that the inverse trigonometric function assumes principal values only. Let x , y be any two real numbers in [-1,1] such that ^ -1 x- ^ -1 y=α, (-π)/(2) ≤ α ≤ π . Then, the

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29

If a = ^ - 1 (sin(5)) and b = ^ - 1 (cos(5)) , then a ^ 2 + b ^ 2 is equal to

JEE Main 2024 Solution
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30

For α, β, γ ≠ 0 . If ^ - 1 α + ^ - 1 β + ^ - 1 γ = π and (α + β + γ)(α - γ + β) = 3αβ , then γ equal to

JEE Main 2024 Solution
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31

Let x = (m)/(n) ( m, n are co-prime natural numbers) be a solution of the equation cos(2 ^ - 1 x) = (1)/(9) and let α, β ( α > β ) be the roots of the equation m x ^ 2 - nx - m +

JEE Main 2024 Solution
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32

Considering only the principal values of inverse trigonometric functions, the number of positive real values of x satisfying ^ - 1 ( x ) + ^ - 1 ( 2x ) = (π)/(4) is :

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33

For x ∈ ( - 1, 1 ] , the number of solutions of the equation ^ - 1 x = 2 ^ - 1 x is equal to

JEE Main 2023 Solution
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34

If S = \ x ∈ ℝ: ^ - 1 ( x + 1 x ^ 2 + 2x + 2 ) - ^ - 1 ( x x ^ 2 + 1 ) = (π)/(4)\ then ∑ _ x ∈ S (sin(( x ^ 2 + x + 5)(π)/(2)) - cos(( x ^ 2 + x + 5)π)) is equal to _________ .

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35

Let S = \ x ∈ R: 0 < x < 1and2 ^ - 1 ((1 - x)/(1 + x)) = ^ - 1 ( 1 - x ^ 2 1 + x ^ 2 )\ . If n ( S ) denotes the number of elements in S then :

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36

Let S be the set of all solutions of the equation ^ - 1 (2x) - 2 ^ - 1 ( 1 - x ^ 2 ) = π, x ∈ [- (1)/(2), (1)/(2)] . Then ∑ _ x ∈ S 2 ^ - 1 ( x ^ 2 - 1) is equal to

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37

Let (a, b) ⊂ (0, 2π) be the largest interval for which ^ - 1 (sinθ) - ^ - 1 (sinθ) > 0, θ ∈ (0, 2π) , holds . If α x ^ 2 + + ^ - 1 ( x ^ 2 - 6x + 10) + ^ - 1 ( x ^ 2 - 6x + 10) =

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38

If ^ - 1 (α)/(17) + ^ - 1 (4)/(5) - ^ - 1 (77)/(36) = 0, 0 < α < 13 , then ^ - 1 (sinα) + ^ - 1 (cosα) is equal to

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39

Let y = f(x) represent a parabola with focus (- (1)/(2), 0) and directrix y = - (1)/(2) . Then S = \ x ∈ ℝ: ^ - 1 ( f(x) + ^ - 1 ( f(x) + 1 )) = (π)/(2)\ :

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40

Let a _ 1 = 1, a _ 2 , a _ 3 , a _ 4 , … . . be consecutive natural numbers. Then ^ - 1 ( 1 1 + a _ 1 a _ 2 ) + ^ - 1 ( 1 1 + a _ 2 a _ 3 ) + … . . + ^ - 1 ( 1 1 + a _ 2021 a _

JEE Main 2023 Solution
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41

If the sum of all the solutions of ^ - 1 ( 2x 1 - x ^ 2 ) + cot ^ - 1 ( 1 - x ^ 2 2x ) = (π)/(3) , - 1 < x < 1, x ≠ 0 , is α - 4 3 , then α is equal to _____ .

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42

^ - 1 ( 1 + 3 3 + 3 ) + sec ^ - 1 8 + 4 3 6 + 3 3 =

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43

Considering only the principal values of the inverse trigonometric functions, the value of (3)/(2) ^ - 1 2 2 + π ^ 2 + (1)/(4) ^ - 1 2 2 π 2 + π ^ 2 + ^ - 1 2 π is _______. (If

JEE Advanced 2022 Solution
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44

Considering the principal values of the inverse trigonometric functions, the sum of all the solutions of the equation ^ - 1 (x) - 2 ^ - 1 (x) = ^ - 1 (2x) is equal to

JEE Main 2022 Solution
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45

For k ∈ ℝ , let the solutions of the equation cos( ^ - 1 (xcot( ^ - 1 (cos( ^ - 1 x))))) = k, 0 < |x| < 1 2 be α and β , where the inverse trigonometric functions take only

JEE Main 2022 Solution
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46

If 0 < x < 1 2 and ^ - 1 x α = ^ - 1 x β , then a value of sin((2πα)/(α + β)) is

JEE Main 2022 Solution
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47

tan (2 ^ - 1 ( 1)/(5) + ^ - 1 ( 5)/(2) +2 ^ - 1 ( 1)/(8)) & is equal to:

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48

Let x = sin(2 ^ - 1 α) and y = sin((1)/(2) ^ - 1 (4)/(3)) . If S = \ α ∈ ℝ: y ^ 2 = 1 - x\ , then ∑ _ α ∈ S 16 α ^ 3 is equal to _______.

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49

50tan(3 ^ - 1 ((1)/(2)) + 2 ^ - 1 ( 1 5 )) + 4 2 tan((1)/(2) ^ - 1 (2 2 )) is equal to ______.

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50

The value of _ n → ∞ 6tan\ ∑ _ r = 1 ^ n ^ - 1 ( 1 r ^ 2 + 3r + 3 )\ is equal to

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51

The value of cot( ∑ _ n = 1 ^ 50 ^ - 1 ( 1 1 + n + n ^ 2 )) is

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52

^ - 1 (sin(2π)/(3)) + ^ - 1 (cos(7π)/(6)) + ^ - 1 (tan(3π)/(4)) is equal to

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53

If the inverse trigonometric functions take principal values, then ^ - 1 ((3)/(10)cos( ^ - 1 ((4)/(3))) + (2)/(5)sin( ^ - 1 ((4)/(3)))) is equal to

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54

The value of ^ - 1 [(cos((15π)/(4)) - 1)/(sin((π)/(4)))] is equal to

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55

Let x × y = x ^ 2 + y ^ 3 and (x × 1) × 1 = x ×(1 × 1). Then a value of 2 ^ - 1 ( x ^ 4 + x ^ 2 - 2 x ^ 4 + x ^ 2 + 2 ) is

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56

The set of all values of k for which ( ^ - 1 x) ^ 3 + ( cot ^ - 1 x) ^ 3 = k π ^ 3 , x ∈ R , is the interval

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57

For any positive integer n , let S _ n : ( 0, ∞ ) → R be defined by S _ n (x) = ∑ _ k = 1 ^ n cot ^ - 1 ( 1 + k ( k + 1 ) x ^ 2 x ) where for any x ∈ R, cot ^ - 1 ( x ) ∈ ( 0, π )

JEE Advanced 2021 Solution
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58

^ - 1 ( cos ( - 5 ) ) + ^ - 1 ( sin ( 6 ) ) - ^ - 1 ( tan ( 12 ) ) is equal to : (The inverse trigonometric functions take the principal values)

JEE Main 2021 Solution
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59

If ( ^ - 1 x) ^ 2 - ( ^ - 1 x) ^ 2 = a; 0 < x < 1, a ≠ 0, then the value of 2 x ^ 2 - 1 is

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60

If ∑ _ r = 1 ^ 50 ^ - 1 1 2 r ^ 2 = p, then the value of tanp is :

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61

The value of tan(2 ^ - 1 ((3)/(5)) + ^ - 1 ((5)/(13))) is equal to:

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62

The number of real roots of the equation ^ - 1 x(x + 1) + ^ - 1 x ^ 2 + x + 1 = (π)/(4) is:

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63

The number of solutions of the equation ^ - 1 [ x ^ 2 + (1)/(3)] + ^ - 1 [ x ^ 2 - (2)/(3)] = x ^ 2 for x ∈ [ - 1, 1 ] , and [ x ] denotes the greatest integer less than or equal

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64

If cot ^ - 1 ( α ) = cot ^ - 1 2 + cot ^ - 1 8 + cot ^ - 1 18 + cot ^ - 1 32 + … . upto 100 terms, then α is:

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65

The sum of possible values of x for ^ - 1 (x + 1) + cot ^ - 1 ((1)/(x - 1)) = ^ - 1 ((8)/(31)) is:

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66

Given that the inverse trigonometric functions take principal values only. Then, the number of real values of x which satisfy ^ - 1 ((3x)/(5)) + ^ - 1 ((4x)/(5)) = ^ - 1 x is

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67

Let S _ k = ∑ _ r = 1 ^ k ^ - 1 ( 6 ^ r 2 ^ 2r + 1 + 3 ^ 2r + 1 ), then _ k → ∞ S _ k is equal to :

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68

If ^ - 1 x a = ^ - 1 x b = ^ - 1 y c ; 0 < x < 1, then the value of cos(( )/(a + b)) is:

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69

cosec [2 cot ^ - 1 (5) + ^ - 1 ((4)/(5))] is equal to:

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70

A possible value of tan((1)/(4) ^ - 1 63 8 ) is:

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71

_ n → ∞ tan\ ∑ _ r = 1 ^ n ^ - 1 ( 1 1 + r + r ^ 2 )\ is equal to_______.

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72

If S is the sum of the first 10 terms of the series, ^ - 1 ((1)/(3)) + ^ - 1 ((1)/(7)) + ^ - 1 ((1)/(13)) + ^ - 1 ((1)/(21)) + … … then tan ( S ) is equal to :

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73

2π - ( ^ - 1 (4)/(5) + ^ - 1 (5)/(13) + ^ - 1 (16)/(65)) is equal to :

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74

If y = ∑ _ k = 1 ^ 6 k ^ - 1 \ (3)/(5)coskx - (4)/(5)sinkx\ then (dy)/(dx) at x = 0 is

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75

If ^ -1 ⁡ (1)/(3) + ^ -1 ⁡ (2)/(3) = ^ -1 ⁡ x , then the value of x is

NTA Abhyas JEE Main 2020 Solution
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76

If x takes all permissible negative values, then ^ -1 ⁡ x is equal to

NTA Abhyas JEE Main 2020 Solution
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77

In a , if ∠ A = ∠ B = (1)/(2) ( ^ - 1 ( 6 + 1 2 3 ) + ^ - 1 ( 1 3 )) and length of the side opposite to ∠ C is c = 6 ⋅ 3 (1)/(4) , then the area of is

NTA Abhyas JEE Main 2020 Solution
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78

If α = ^ -1 ⁡ 3 2 + ^ -1 ⁡ (1)/(3) and β = ^ -1 ⁡ 3 2 + ^ -1 ⁡ (1)/(3) , then

NTA Abhyas JEE Main 2020 Solution
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79

The complete solution set of the inequality ^ -1 ⁡ ( cos4 ) > 3x^ 2 - 4x is

NTA Abhyas JEE Main 2020 Solution
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80

The value of sin ⁡ ( ^ -1 ⁡ x) is

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81

Solution set of [ ^ -1 ⁡ x ] > [ ^ -1 ⁡ x ] , where [.] denotes the greatest integer function, is

NTA Abhyas JEE Main 2020 Solution
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82

The relation ^ -1 ⁡ ((1 + x)/(1 - x)) = (π)/(4) + ^ -1 ⁡ x holds true for all

NTA Abhyas JEE Main 2020 Solution
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83

The domain set of the function f( x ) = ^ -1 x - ^ -1 x + ^ -1 ( 2 - x ) is

NTA Abhyas JEE Main 2020 Solution
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84

Let x + (1)/(x) = 2, y + (1)/(y) = - 2 and ^ - 1 x + ^ - 1 y = mπ ,&#160; then the value of m is

NTA Abhyas JEE Main 2020 Solution
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85

The value of the expression ^ -1 (1)/(2) + ^ -1 and (9)/(2) + ^ -1 and (2 5)/(2) + ^ -1 and (4 9)/(2) + ....... upto n terms is

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86

The value of a for which ax^ 2 + ^ -1 ⁡ (x^ 2 - 2x + 2) + ^ -1 ⁡ (x^ 2 - 2x + 2) = 0 has a real solution, is

NTA Abhyas JEE Main 2020 Solution
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87

The real solutions of the equation ^ -1 x (x + 1) + ^ -1 and x^ 2 + x + 1 = π 2 and are

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88

If x, y, z are in arithmetic progression and ^ -1 ⁡ x, ^ -1 ⁡ y and ^ -1 ⁡ z are also in arithmetic progression, then

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89

Let S _ 1 is the complete solution set of the inequality cos^ - 1 (x) > cos^ - 1 (x^ 2 ) and S _ 2 is the complete solution set of the inequality (cot^ - 1 x) ^ 2 - 5cot^ - 1 x +

NTA Abhyas JEE Main 2020 Solution
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90

Consider the function f (x) = cos^ - 1 ( [ 2 ^ x ]) +sin^ - 1 ([ 2 ^ x ] -1), then (where [.] represents the greatest integer part function)

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91

If ( ^ -1 ⁡ x) ^ 2 - 7( ^ -1 ⁡ x) + 10 > 0 , then the range of x will be

NTA Abhyas JEE Main 2020 Solution
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92

The range of the function f(x) = sin^ - 1 ( x^ 2 1 + x^ 2 ), x ∈ ℝ is

NTA Abhyas JEE Main 2020 Solution
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93

The value(s) of x satisfying the equation ^ -1 ⁡ (1 - x) - 2 ^ -1 ⁡ x = (π)/(2) & is/are

NTA Abhyas JEE Main 2020 Solution
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94

If x satisfies the inequality (tan^ - 1 x) ^ 2 + 3(tan^ - 1 x) - 4 > 0 , then the complete set of values of x is

NTA Abhyas JEE Main 2020 Solution
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95

The value of x for which sin ⁡ ( ^ -1 ⁡ (1 + x)) = cos ⁡ ( ^ -1 ⁡ x ) is

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96

The area bounded by the curve y = |cos^ - 1 (sin ⁡ x)| + |(π)/(2) - cos^ - 1 (cos ⁡ x)| and the& x -axis, where (π)/(2) ≤ x ≤ π , is equal to

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97

If a _ 1 , a _ 2 , a _ 3 are in arithmetic progression and d is the common difference, then ^ -1 ⁡ ( d 1 + a _ 1 a _ 2 ) + ^ -1 ⁡ ( d 1 + a _ 2 a _ 3 ) =

NTA Abhyas JEE Main 2020 Solution
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98

If f(x) = tan^ - 1 x^ 2 + 4x + sin^ - 1 x^ 2 + 4x + 1 , then

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99

If the value of the expression tan ⁡ ((1)/(2) ^ - 1 ⁡ 2 5 ) is in the form of a + b where a, b ∈ Z, then the value of (a + b)/(b) is

NTA Abhyas JEE Main 2020 Solution
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100

Let f(x) = sin^ - 1 \ x 1 - x - x (1 - x^ 2 ) \ , ∀ 0 ≤ x ≤ 1 , then f (x) is

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101

If f(x) = co s ^ - 1 (x(3)/(2) - 1 - x - x ^ 2 + x ^ 3 ), ∀ 0 ≤ x ≤ 1 , then the minimum value of f(x) is

NTA Abhyas JEE Main 2020 Solution
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102

If f(x) = ta n ^ - 1 ( 2 ^ x 1 + 2 ^ 2x + 1 ), then ∑ _ r = 0 ^ 9 f(r) is

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103

If cot^ - 1 ((n)/(2π)) > (2π)/(3) , then the maximum value of the integer n is

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104

The maximum value of x that satisfies the equation si n ^ - 1 ( 2 15 |x| ) = co s ^ - 1 ((14)/(|x|)) is

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105

If x = sin (2tan^ - 1 3) and& y = sin ((1)/(2) tan ^ - 1 (4)/(3)),then

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106

For x ∈ (0, (π)/(2)), if cos^ - 1 ((7)/(2)(1 + cos ⁡ 2x) + (sin^ 2 x - 48cos^ 2 x) sin ⁡ x)= x - ^ -1 (kcos ⁡ x), then the value of k is equal to

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107

The value of tan^ - 1 [ 1 - sin ⁡ x + 1 + sin ⁡ x 1 - sin ⁡ x - 1 + sin ⁡ x ] (∀ x ∈ [0, (π)/(2)]) is equal to

NTA Abhyas JEE Main 2020 Solution
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108

The number of roots of the equation sin^ - 1 x - cos^ - 1 x = sin^ - 1 (5x - 3) is/are

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109

If si n ^ - 1 ((5)/(x)) + si n ^ - 1 ((12)/(x)) = si n ^ - 1 ((2)/(x)) + co s ^ - 1 ((2)/(x)) , then the value of x is equal to

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110

The range of the function f (x) = sin^ - 1 [x^ 2 - (1)/(3)] - cos^ - 1 [x^ 2 + (2)/(3)] is (where, [x] represents the greatest integer value of x )

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111

The minimum value of x which satisfies the inequality si n ^ - 1 x ≥ co s ^ - 1 x is λ , then the value of 2λ is (use 2 = 1.41 )

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112

If tan^ - 1 (1)/(2x + 1) + tan^ - 1 (1)/(4x + 1) = cot^ - 1 ( x^ 2 2 ), then the number of all possible values of x is/are

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113

The number of solutions of the equation sin^ - 1 x = (sin ⁡ x) ^ - 1 is/are

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114

If cos^ - 1 |sin ⁡ x| ≥ sin^ - 1 | sin ⁡ x| , then the number of integral values of x in the interval x ∈ [0,3π]are

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115

The minimum value of x which satisfies the inequality (si n ^ - 1 x) ^ 2 ≥ (co s ^ - 1 x) ^ 2 is

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116

If 3 ta n ^ - 1 ( 1 2 + 3 ) - ta n ^ - 1 (1)/(3) = ta n ^ - 1 (1)/(x), then the value of x is equal to

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117

If y = tan^ - 1 1 1 + x + x^ 2 + tan^ - 1 1 x^ 2 + 3x + 3 + tan^ - 1 1 x^ 2 + 5x + 7 +.... + upto 2n terms (∀ x ≥ 0) , then y (0) is

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118

If [sin^ - 1 x] ^ 2 - 2 [sin^ - 1 x] + 1 ≤ 0 (where, [.] represents the greatest integral part of x ), then

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119

If f(x) = ta n ^ - 1 ( ln( e ^ 2 / x ^ 3 ) ln( e ^ 2 x ^ 3 ) ) + ta n ^ - 1 ( ln( e ^ 2 x ^ 3 ) ln(e / x ^ 6 ) )(∀ x ≥ e) , then the incorrect statement is

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120

If the range of f (x) = tan^ - 1 x + 2sin^ - 1 x + cos^ - 1 x is [a, b] , then

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121

If ^ - 1 ⁡ (x - x ^ 2 2 + x ^ 3 4 - …) + ^ - 1 ⁡ ( x ^ 2 - x ^ 4 2 + x ^ 6 4 - …) = (π)/(2) for 0 < |x| < 2 , then x is equal to

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122

If ^ - 1 ⁡ (x)/(π) ≤ (π)/(6), then the maximum value of 3 x is (Use π = 3 . 14 )

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123

The value of sin\ cot ^ - 1 [cos( cot ^ - 1 ((1)/(x)))]\ is equal to (x > 0)

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124

If θ = cot^ - 1 α, φ = cot^ - 1 β and αβ = - 1 (α > β), then the value of θ - equal to

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125

If x = sin ⁡ (2 tan ^ - 1 ⁡ 2 3 ) and y = sin ⁡ ((1)/(2) tan ^ - 1 ⁡ (12)/(5)), then

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126

If the maximum value of x which satisfies the inequality ^ - 1 ⁡ (sin ⁡ x) ≥ ^ - 1 ⁡ (sin ⁡ x) for x ∈ ((π)/(2), 2π) is λ , then (2λ)/(3) is equal to (take π = 3 .14 )

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127

The domain of the function f(x) = 4 ^ -1 ⁡ ((1 - |x|)/(2)) is

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128

The domain of the function f(x) = 2 sin ^ - 1 ⁡ \ _ 2 ⁡ ((1)/(2) x ^ 2 )\ is

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129

The range of the function y = 2 sin ^ - 1 ⁡ [ x ^ 2 + (1)/(2)] + cos ^ - 1 ⁡ [ x ^ 2 - (1)/(2)] is (where, [·] denotes the greatest integer function)

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130

If the trigonometric equation ^ -1 ⁡ x = 2 ^ -1 ⁡ a has a solution, then the complete set of values of a is

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131

If ^ -1 ⁡ (x - x^ 2 2 + x^ 3 4 -. … …) + ^ -1 ⁡ (x^ 2 - x^ 4 2 + x^ 6 4 -. … …) = (π)/(2) for 0 < |x| < 2 , then x & is equal to

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132

The number of real solutions of ^ -1 ⁡ x(x + 4) + ^ -1 ⁡ x^ 2 + 4x + 1 = (π)/(2) is equal to

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133

The value of 2 ^ -1 ⁡ (2)/(3) - 2 ^ -1 ⁡ 6 + 1 2 3 is equal to

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134

If sin ^ - 1 ⁡ ( 2a 1 + a^ 2 ) + sin ^ - 1 ⁡ ( 2b 1 + b^ 2 ) = 2 cot ^ - 1 ⁡ ((1)/(x)), then xis equal to [ ∀ a, b ∈ (0, 1)]

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135

If x ∈ (0, 1), then the value of 2 ^ -1 ⁡ ( 1 - x^ 2 2x ) +2 ^ -1 ⁡ ( 1 - x^ 2 1 + x^ 2 ) is equal to

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136

Consider the following two statements P and Q. P: ^ -1 ⁡ (cos ⁡ (4π)/(3)) = (4π)/(3) Q: ^ 2 ⁡ ( ^ -1 ⁡ (1)/(2)) + cosec ^ 2 ( ^ -1 ⁡ (1)/(3)) = 15 Then, which of the following is

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137

The value of ^ -1 ⁡ sin ⁡ 17 + ^ -1 ⁡ cos ⁡ 10 is equal to

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138

Consider the function f(x) = ^ -1 ⁡ ( [ 3 ^ x ]) + ^ -1 ⁡ ([ 3 ^ x ] - 1) , then (where, [⋅] represents the greatest integer part of x )

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139

If the function f: R → A defined as f (x) = ^ -1 ⁡ ( 2x^ 3 1 + x^ 6 ) is a surjective function, then the setA is equal to

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140

The value of 2 ^ -1 ⁡ (4)/(5) + 2 ^ -1 ⁡ (5)/(13) + 2 ^ -1 ⁡ (16)/(65) is equal to

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141

If sin ⁡ ( cot ^ - 1 ⁡ (1 - x)) = cos ⁡ ( tan ^ - 1 ⁡ (- x)) , then x is

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142

The value of cos ⁡ ( ^ -1 ⁡ (3)/(4)) + cos ⁡ ( ^ -1 ⁡ x) is equal to

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143

The value of ^ -1 ⁡ (cos ⁡ ^ -1 ⁡ x) + ^ -1 ⁡ (sin ⁡ ^ -1 ⁡ x) is equal to

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144

The natural domain of the function f(x) = ^ -1 ⁡ (2x) + (π)/(3) is

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145

The number of integers for which the equation ^ -1 ⁡ x + ^ -1 ⁡ x + ^ -1 ⁡ x = n has real solution(s) is

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146

The value of ^ - 1 ⁡ ((12)/(13)) - ^ - 1 ⁡ ((3)/(5)) is equal to:

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147

If ^ - 1 x - ^ – 1 (y)/(2) = α, where - 1 ≤ x ≤ 1, - 2 ≤ y ≤ 2, x ≤ (y)/(2), then for all x, y, 4 x ^ 2 - 4xycosα + y ^ 2 is equal to :

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148

If α = ^ - 1 ((3)/(5)) , β = ^ - 1 ((1)/(3)) , where 0 < α, β < (π)/(2), then α - β is equal to

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149

Considering only the principal values of inverse functions, the set A = \ x ≥ 0: ^ - 1 (2x) + ^ - 1 (3x) = (π)/(4)\

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150

All x satisfying the inequality ( ^ -1 x)^ 2 -7( ^ -1 x)+10> 0 , lie in the interval :

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151

The value of cot ⁡ ( ∑ _ n = 1 ^ 19 cot ^ - 1 ⁡ (1 + ∑ _ p = 1 ^ n 2p)) is:

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152

If x = ^ - 1 (sin ⁡ 10) and y = ^ - 1 (cos ⁡ 10), then y - x is equal to:

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153

If ^ - 1 ((2)/(3x)) + ^ - 1 ((3)/(4x)) = (π)/(2)(x > (3)/(4)), then x is equal to :

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154

For any positive integer n , define f _ n : (0, ∞) → R as f _ n (x) = ∑ _ i = 1 ^ n ^ - 1 ((1)/(1 + (x + j)(x + j - 1))) for all x ∈ (0, ∞) . ( Here, the inverse trigonometric

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155

A value of x satisfying the equation sin ⁡ [ cot ^ - 1 ⁡ (1 + x)] = cos ⁡ [ ^ - 1 ⁡ x], is:

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156

The value of ^ - 1 ⁡ [ 1 + x ^ 2 + 1 - x ^ 2 1 + x ^ 2 - 1 - x ^ 2 ], |x| < (1)/(2), x ≠ 0, is equal to:

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157

If α = 3 ^ - 1 ⁡ ((6)/(11))andβ = 3 ^ - 1 ⁡ ((4)/(9)), where the inverse trigonometric functions take only the principal values, then the correct options(s) is(are)

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158

If f(x) = 2 ^ - 1 x + ^ - 1 ( 2x 1 + x ^ 2 ), x > 1 , then f(5) is equal to

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159

Let ^ - 1 y = ^ - 1 x + ^ - 1 ( 2x 1 - x ^ 2 ), where |x| < 1 3 ,Then a value of y is

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160

Match the following. List &ndash; I List &ndash; II (A) Let y(x) = cos ⁡ (3 ^ - 1 ⁡ x), xϵ[- 1, 1], x ≠ ± 3 2 . Then (1)/(y(x))\ ( x ^ 2 - 1) d ^ 2 y(x) d x ^ 2 + x(dy(x))/(dx)\

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161

Let f: [0, 4π] → [0, π] be defined by f(x) = ^ - 1 ⁡ (cos ⁡ x) . The number of points x ∈ [0, 4π] satisfying the equation f(x) = (10 - x)/(10) is_________

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162

The principal value of ^ - 1 (cot(43π)/(4)) is

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163

Statement I: The equation ( ^ -1 x)^3+ ( ^ -1 x)^3-a π^3=0 has a solution for all a ≥ (1)/(32) . Statement II: For any x ∈ R , ^ -1 x+ ^ -1 x=(π)/(2) and 0 ≤( ^ -1 x-(π)/(4))^2 ≤

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164

Match List I with List II and select the correct answer using the code given below the lists : List - I List - II A. ( 1 y ^ 2 ( ( ^ - 1 y) + y sin ( ^ - 1 y) cot ( ^ - 1 y) + ( ^

JEE Advanced 2013 Solution
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165

The value of cot( Σ _ n = 1 ^ 23 cot ^ - 1 (1 + Σ _ k = 1 ^ n 2k)) is

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166

Let S=\ ( array ll a_ 11 & a_ 12 a_ 21 & a_ 22 array ): a_ i j ∈\ 0,1,2\ , a_ 11 =a_ 22 \ Then the number of non-singular matrices in the set S is :

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167

S= ^ -1 ((1)/(n^2+n+1))+ ^ -1 ((1)/(n^2+3 n+3))+… + ^ -1 ((1)/(1+(n+19)(n+20))) , then S is equal to :

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168

A value of ^ -1 ( ( ^ -1 ( (2)/(3) ))) is

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169

Let f(θ)= [ ^ -1 ( θ 2 θ )] , where -(π)/(4) < θ < (π)/(4) . Then, the value of (d)/(d( θ))(f(θ)) is

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170

If 0 < x < 1 , then 1+x^2 [\ x ( ^ -1 x)+ ( ^ -1 x)\ ^2-1]^ (1)/(2) is equal to

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171

The value of (cosec^ -1 (5)/(3)+ ^ -1 (2)/(3)) is

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172

Let (x, y) be such that ^ -1 (a x)+ ^ -1 (y)+ ^ -1 (b x y)=(π)/(2) . Match the statements in Column I with the values in Column II.

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173

If ^ -1 ((x)/(5))+cosec^ -1 ((5)/(4))=(π)/(2) then a value of x is

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174

If ^ -1 x- ^ -1 (y)/(2)=α , then 4 x^2-4 x y α+y^2 is equal to

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175

The trigonometric equation ^ -1 x=2 ^ -1 a has a solution for

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176

^ -1 ( α )= ^ -1 ( α )=x , then x=

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177

If& ^ - 1 x + ^ - 1 y = (2π)/(3) ~and~ ^ - 1 x - ^ - 1 y = (π)/(3) .Then, ( x, y ) is equal to

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178

If ^ - 1 x + ^ - 1 y + ^ - 1 z = π, then the value of~ k ~in the expression~ x^ 4 + y^ 4 + z^ 4 + 4x^ 2 y^ 2 z^ 2 = k[x^ 2 y^ 2 + y^ 2 z^ 2 + z^ 2 x^ 2 ], & is:

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179

If ^ -1 x- ^ -1 (y)/(3)=α , where -1 ≤ x ≤ 1 , -3 ≤ y ≤ 3, x ≤ (y)/(3) , then for all x, y , 9 x^2-6 x y α+y^2 is equal to

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180

^ - 1 ⁡ \ (1)/(2)x^ 2 + 1 - x^ 2 1 - x^ 2 4 \ = ^ - 1 ⁡ (x)/(2) - ^ - 1 ⁡ x holds for

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181

If ^ - 1 (tan(&#960;)/(4)) - ^ - 1 (3)/(x) = (&#960;)/(6) , then x & is a root of the equation

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182

Given 0 ≤ x ≤ (1)/(2) , then the value of ( ^ -1 \ left( x 2 + 1-x^2 2 )- ^ -1 x) is

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183

Let f (x) = cosec ^ - 1 [1 + ^ 2 x], ~where~ [·]denotes the greatest integer function. Then f (x) equals;

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184

If& f(x) = ^ - 1 (cosec( ^ - 1 x)) + ^ - 1 (sec( ^ - 1 x)), ~then~ f ( x ) & takes:

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185

The value of sin ⁡ ( ^ - 1 ⁡ x) is

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186

If the value of the expression tan ⁡ ((1)/(2) ^ - 1 ⁡ 2 5 ) is in the form of a + b where a, b ∈ Z, then the value of (a + b)/(b) is K, Find 10K.

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187

If [sin^ - 1 x] ^ 2 - 2 [ sin^ - 1 x] + 1 ≤ 0 (where, [.] represents the greatest integral part of x ), then

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188

If y= ^ -1 ( x+ x), then (d y)/(d x)=

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189

If ^ -1 ((1-x)/(1+x))-(1)/(2) ^ -1 x=0 , for x>0 , then x=

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190

With usual notations in Δ ABC , if C=90^ ^ ^ ∘ , then ^ -1 ((a)/(b+c))+ ^ -1 ((b)/(c+a))=

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191

If x=cosec ( ^ -1 ( ( ^ -1 ( ( ^ -1 a))))) , a ∈[ 0,1]

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192

The natural domain of the function& f(x) = ^ - 1 ⁡ (2x) + (π)/(3) is

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193

If ^ -1 p + ^ -1 1-p + ^ -1 1-q =(3 π)/(4) , then q

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194

If ∑_ r=1 ^ 50 ^ -1 (1)/(2 r^2)=p then p is

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195

[ ( ^ -1 (3)/(4))]^ 2 +[ ( ^ -1 (4)/(3))]^ 2 =

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196

If ^ -1 a+ ^ -1 b+ ^ -1 c=π , then which of the following is true?

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197

If ^ -1 x+ ^ -1 (1-x)= ^ -1 x , then x ∈ to

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198

What is the value of ^ -1 (12)/(13)+ ^ -1 (4)/(5)+ ^ -1 (63)/(16) is equal to

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199

If ^ -1 ((3)/(x))+ ^ -1 ((4)/(x))=(π)/(2) , then x is equal to

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200

(1+ (x)/(2))/(1- (x)/(2)) is equal to

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