Trigonometry Examples

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

Step 1

The provided equation is an identity.

$\frac{\sin (x) - \cos (x) + 1}{\sin (x) + \cos (x) - 1} = \frac{\sin (x) + 1}{\cos (x)}$ is an identity