Precalculus Examples

$- 77 °$

Step 1

To convert degrees to radians, multiply by $\frac{π}{180 °}$ , since a full circle is $360 °$ or $2 π$ radians.

$- 77 ° \cdot \frac{π}{180 °}$ radians

Step 2

Combine $- 77$ and $\frac{π}{180}$ .

$\frac{- 77 π}{180}$ radians

Step 3

Move the negative in front of the fraction.

$- \frac{77 π}{180}$ radians