Precalculus Examples

$155$

Step 1

Since the angle $155 °$ is in the second quadrant, subtract $155 °$ from $180 °$ .

$180 ° - 155 °$

Step 2

Subtract $155$ from $180$ .

$25 °$

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