Use a Double-Angle Formula or a Half-Angle Formula to Simplify $2 \sin 12 \cos 12$

Multiple Choice

Use a double-angle formula or a half-angle formula to simplify $2 \sin 12 \cos 12$

A) $\sin 24$
B) $\cos 24$
C) $\sin 12$
D) $\cos 12$
E) none of these