Question

cos^2x-sin^2x=tan^2y then show that tan^2x=cos^2y-sin^2y​

Answer 1

Answer:

math]\sin^2 x-\cos^2x=\dfrac {-\sin^2 y}{\cos^2 y}[/math] [math]\dfrac {\sin^2 ... If , then how do you prove that =b

Step-by-step explanation:

May this ANSWER will help you plz mark has brainliest