Precalculus Examples

$- 45 °$

Step 1

The complement of $- 45 °$ is the angle that when added to $- 45 °$ forms a right angle ( $90 °$ ).

$90 ° - (- 45)$

Step 2

Multiply $- 1$ by $- 45$ .

$90 + 45 °$

Step 3

Add $90$ and $45$ .

$135 °$