6.1 Angle Measure
Ideas in this lesson
- Converting degrees to radians
- Converting radians to degrees
- Coterminal angles
- Length of a circular arc
- Area of a circular sector
- Linear and angular speed
Converting degrees to radians · Worked example
Convert 60° to radians.
Answer: \frac{π}{3}
\frac{60π}{180} = \frac{π}{3}.