Trigonometry Examples

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

Step 1

Cancel the common factor of $\cos (x) + 1$ .

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Step 1.1

Cancel the common factor.

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

Step 1.2

Rewrite the expression.

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

Step 2

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

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