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

$\frac{d}{d x} f \left(x\right) = 2 \cdot \sin x \cdot \cos x$
f(x)=sin^2 x" ; "d/(d x) f(x)=?
$\frac{d}{d x} f \left(x\right) = 2 \cdot \sin x \cdot \cos x$