Question

tan^-1 (2x√1-x^2 / 1-2x^2) = 2 sin^-1 x​

Answer 1

$AnswerLet x=sinθ⇒θ=sin −1 x2x 1−x 2 ​ =2sinθ 1−sin 2 θ​ 2sinθcosθ=sin2θ sin −1 (2x 1−x 2 ​ )=sin −1 2θ=2sin −1$:

Step-by-step explanation: