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Rewrite with Only Sin X and Cos X $\cos 2 x + \sin x$

Question 218

Multiple Choice

Rewrite with only sin x and cos x.
- $\cos 2 x + \sin x$

A) $1 - 2 \sin ^ { 2 } x + \sin x$
B) $1 + 2 \sin ^ { 2 } x + \sin x$
C) $1 + 3 \sin ^ { 2 } x$
D) $1 + 3 \sin x$

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