Trigonometry Examples

$\frac{\cos (0)}{\sec (0)} + \frac{\sin (0)}{\csc (0)} = 1$

Step 1

Since the left side does not equal the right side, the equation is not an identity.

$\frac{\cos (0)}{\sec (0)} + \frac{\sin (0)}{\csc (0)} = 1$ is not an identity.