Trigonometry Examples

$- 150$

Step 1

For angles smaller than $0 °$ , add $360 °$ to the angle until the angle is larger than $0 °$ .

$210$

Step 2

The angle is in the third quadrant.

Quadrant $3$

Step 3

$[\begin{array}{c} x^{2} & \frac{1}{2} \\ \sqrt{π} & \int x d x \end{array}]$