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anonymous
 one year ago
Rewrite with only sin x and cos x.
sin 2x  cos 2x.
anonymous
 one year ago
Rewrite with only sin x and cos x. sin 2x  cos 2x.

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A. 2 sin^2x2sinxcosx  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

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0My work: 2 sin x cos x  (1  2 sin^2x) 2 sin x cos x  1 + 2 sin^2x And if I rearrange it, 2sin^2x + 2 sin x cos x  1. Therefore, my answer is C.
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