Rewrite with only sin x and cos x

Cos 2x+sin x

Question

Jamarion Shields

Mathematics

3 October, 05:55

Rewrite with only sin x and cos x

Cos 2x+sin x

+4

Answers (1)

Know the Answer?

Zaria · Answer 1

Cos 2x+sin x = cos x cos x - sin x sin x + sin x

Step-by-step explanation:

Cos 2x+sin x

use Trigonometric identities.

cos (2x) = cos (x + x) = cos x cos x - sin x sin x

Cos 2x+sin x = cos x cos x - sin x sin x + sin x

Rewrite with only sin x and cos xCos 2x+sin x

Rewrite with only sin x and cos x

Cos 2x+sin x