Pre-Algebra Examples

$\cot (- \frac{3 π}{2})$

Step 1

Add full rotations of $2 π$ until the angle is greater than or equal to $0$ and less than $2 π$ .

$\cot (\frac{π}{2})$

Step 2

The exact value of $\cot (\frac{π}{2})$ is $0$ .

$0$