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Use a Double Angle Formula to Rewrite the Following Expression $- 16 \sin ( x ) \cos ( x )$

Question 68

Question 68

Multiple Choice

Use a double angle formula to rewrite the following expression.
$- 16 \sin ( x ) \cos ( x )$

A) $\sin ( - 16 x )$
B) $2 \sin ( - 8 x )$
C) $- 8 \cos ( 2 x )$
D) $- 8 \sin ( 2 x )$
E) $\cos ( - 16 x )$

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