Trigonometry Examples

$\csc (θ) = \frac{1}{\sin (θ)}$

Step 1

Start on the left side.

$\csc (θ)$

Step 2

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

$\frac{1}{\sin (θ)}$

Step 3

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

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