Precalculus Examples

$\tan (x) (\cos (x))$

Step 1

Rewrite $\tan (x) (\cos (x))$ in terms of sines and cosines.

$\frac{\sin (x)}{\cos (x)} \cos (x)$

Step 2

Cancel the common factors.

$\sin (x)$

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