Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
KCET2021MathematicsTrigonometric Ratios & Identities

The value of 1200^ + 1485^ is

Options

  1. Al 2
  2. B3 2
  3. C- 3 2
  4. D- 1 2

Correct answer

A. l 2

Step-by-step solution

Given, 1200^ + 1485^ aligned &= 1200^ + 1485^ &= (3 360^ +120^ )+ (4 360^ +45^ ) &= (120^ )+ (45^ ) &= (180^ -60^ )+1 &=- 60^ +1 &=- 1 2 +1= 1 2 aligned

Practice Trigonometric Ratios & Identities on Quantrex Academy →

More from Trigonometric Ratios & Identities

If x+ x= 1 2 and 0 < x < , then x= 2025If A and B are acute angles satisfying 3 ^2 A+2 ^2 B=4 and 3 A B = 2 B A , then A+2 B= 2025In a ABC , if ^2 ~B = A and 2 ^2 ~A =3 ^2 ~B , then the triangle is 202512 2 12 3 12 4 12 5 12 6 12 = 2025If ( 4 + )= ^3 ( 4 + ) , then ( + ) ( - )= 2025If A+B+C+D=2 , then A+ B+ C+ D= 2025(4 ^2 20 -1 ) (4 ^2 3 20 -1 ) (4 ^2 5 20 +1 ) (4 ^2 7 20 -1 ) (4 ^2 9 20 -1 )= 2025If A and B are the values such that (A+B) and (A-B) are not odd multiples of 2 and 2 (A+B)=3 (A-B) , then A A= 2025 Full Trigonometric Ratios & Identities list All KCET PYQs