Precalculus Examples

$\frac{\frac{\sin (x)}{\cos (x)}}{\frac{1}{\cos (x)}}$

Step 1

Multiply the numerator by the reciprocal of the denominator.

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

Step 2

Cancel the common factor of $\cos (x)$ .

Tap for more steps...

Step 2.1

Cancel the common factor.

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

Step 2.2

Rewrite the expression.

$\sin (x)$