ifasinx=bcosx=2ctanx/1-tan^2 x prove that(a^2-b^2)^2 =4c^2 (a^2+b^2

Answer 1

ifasinx=bcosx=2ctanx/1-tan^2 x prove that(a^2-b^2)^2 =4c^2 (a^2+b^2