Trigonometry Examples

$\csc (x) = \frac{1}{\sin (x)}$

Step 1

Start on the left side.

$\csc (x)$

Step 2

Apply the reciprocal identity to $\csc (x)$ .

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

Step 3

Because the two sides have been shown to be equivalent, the equation is an identity.

$\csc (x) = \frac{1}{\sin (x)}$ is an identity