Precalculus Examples

$\cos (t) \tan (t)$

Step 1

Reorder $\cos (t)$ and $\tan (t)$ .

$\tan (t) \cos (t)$

Step 2

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

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

Step 3

Cancel the common factors.

$\sin (t)$