Precalculus Examples

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

Step 1

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

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

Step 2

Convert from $\frac{\sin (x \cos (x))}{\cos (x \cos (x))}$ to $\tan (x \cos (x))$ .

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