Rewrite with only sin x and cos x.
cos 2x + sin x
1) 1 + 3 sin x
2) 1 + 3...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 09.12.2019 07:31, sdwhitneyhillis
Rewrite with only sin x and cos x.
cos 2x + sin x
1) 1 + 3 sin x
2) 1 + 3 sin^2x
3) 1 - 2 sin^2x + sin x
4) 1 + 2 sin^2x + sin x
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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