Precalculus Examples

$2 \sin (3 x) \cos (3 x)$

Step 1

Apply the sine double-angle identity.

$\sin (2 (3 x))$

Step 2

Multiply $3$ by $2$ .

$\sin (6 x)$

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