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

Rewrite with only sin x and cos x. cos 2x + sin x
asked 148k views
5 votes
Rewrite with only sin x and cos x.

cos 2x + sin x

asked
User Victor Petrykin
by
8.3k points

1 Answer

6 votes

we can pretty much use any of the 3 double-angle identities for cosine, so



image

answered
User Joshua G
by
9.0k points
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