Precalculus Examples

$2 \sin (2 x) \cos (2 x)$

Step 1

Apply the sine double-angle identity.

$\sin (2 (2 x))$

Step 2

Multiply $2$ by $2$ .

$\sin (4 x)$

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$