# How do you find the derivative of sin^3(2x)?

$6 \cos \left(2 x\right) {\sin}^{2} \left(2 x\right)$
$\frac{d}{\mathrm{dx}} {\sin}^{3} \left(2 x\right) = 3 {\sin}^{2} \left(2 x\right) \cdot \cos \left(2 x\right) \cdot 2$