Trigonometry Examples

$\cot (- 360)$

Step 1

Rewrite $\cot (- 360)$ in terms of sines and cosines.

$\frac{\cos (- 360)}{\sin (- 360)}$

Step 2

Add full rotations of $360$ ° until the angle is between $0$ ° and $360$ °.

$\frac{\cos (- 360)}{\sin (0)}$

Step 3

The exact value of $\sin (0)$ is $0$ .

$\frac{\cos (- 360)}{0}$

Step 4

The expression contains a division by $0$ . The expression is undefined.

Undefined