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Rewrite with only sin x and cos X. cos 2x - sin x
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2 votes
Rewrite with only sin x and cos X.
cos 2x - sin x

Rewrite with only sin x and cos X. cos 2x - sin x-example-1
User Bdelmas
by
3.9k points

2 Answers

4 votes

Answer:

first one

cos²x -sin²x -sinx

Explanation:

cos2x = cos²x - sin²x

just put it there

User Iamaatoh
by
4.8k points
7 votes
cos 2x+sin x=-2sin² x+sin x +1 thank me later
User Voriki
by
5.2k points
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