Question

Rewrite with only sin x and cos x.

sin 2x - cos 2x

A. 2 sin x cos x - 1 + 2 sin^2 x

B. 2 sin x cos^2 x - 1 + 2 sin^2 x

C. 2 sin x cos^2 x - sin x + 1 - 2 sin^2 x

D. 2 sin x cos^2 x - 1 - 2 sin^2 x

Answer 1

a

Answer 2

sin 2x= 2 sin x cos x