Precalculus Examples

$\frac{\cos (θ)}{\sin (θ) - 1} \cdot \frac{\sin (θ) + 1}{\sin (θ) + 1}$

Step 1

Cancel the common factor of $\sin (θ) + 1$ .

Tap for more steps...

Step 1.1

Cancel the common factor.

$\frac{\cos (θ)}{\sin (θ) - 1} \cdot \frac{\sin (θ) + 1}{\sin (θ) + 1}$

Step 1.2

Rewrite the expression.

$\frac{\cos (θ)}{\sin (θ) - 1} \cdot 1$

Step 2

Multiply $\frac{\cos (θ)}{\sin (θ) - 1}$ by $1$ .

$\frac{\cos (θ)}{\sin (θ) - 1}$