99 Percentile Qs Bank for JEE MainMathematicsInverse Trigonometric Functions

⁻¹ 4 5 +2 ⁻¹ 1 3 is equal to

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Correct answer

C. 2

Step-by-step solution

aligned & ⁻¹ 4 5 +2 ⁻¹ 1 3 & = ⁻¹ 4 5 + ⁻¹ 2 ( 1 3 ) 1- ( 1 3 )^2 & = ⁻¹ 4 5 + ⁻¹ 2 3 8 9 & = ⁻¹ 4 5 + ⁻¹ 3 4 & = ⁻¹ 4 5 + ⁻¹ 4 5 [ ⁻¹ 3 4 = ⁻¹ 4 5 ] & = 2 & [ ⁻¹ x+ ⁻¹ x= 2 ] & aligned

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