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

Question

Quizplus · Accepted Answer

The expression $2 \sin 12 \cos 12$ can be simplified using the double-angle formula for sine, which is $\sin(2\theta) = 2 \sin(\theta) \cos(\theta)$. By applying this formula with $\theta = 12$, we get $\sin(24)$.

Use a Double-Angle Formula or a Half-Angle Formula to Simplify 2sin⁡12cos⁡122 \sin 12 \cos 122sin12cos12

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