MATHEMATICS · Single correct · CBSE · Mathematics · Introduction to Trigonometry · Introduction to Trigonometry
Problem
To obtain the identity 1+cot2x=csc2x from sin2x+cos2x=1, which single algebraic operation on both sides is sufficient?
(a) Multiply by tan2x
(b) Divide by cos2x
(c) Divide by sin2x
(d) Subtract cos2x from both sides