Question

Rewrite with only sin x and cos x.

sin 2x - cos 2x


Answers are

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

B. 2 sin x

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

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

Answer 1

I need help quickly im taking a timed test!!!
im stuck!!

Answer 2

c

Answer 3

since

Answer 4

thank you!

Answer 5

use the formula sin2x = 2sinx*cosx and cos2x = 1-2sin^x

Answer 6

Thank you so much i was kinda lost on what formula to use