Precalculus Examples

$2 \sin (x) \cos (x) + 11 \cos (x)$

Step 1

Apply the sine double-angle identity.

$\sin (2 x) + 11 \cos (x)$

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