RADIANS
Trigonometry
Example:
Change 1.508 radians to degrees.
(1.508 radians)
180
p
(1.508)(180)
p
86.4°
Summary
The important information in this chapter is summarized below.
Radian Measure Summary
A radian equals approximately 57.3o and is defined as the angle
subtended by an arc whose length is equal to the radius of the circle.
Radian =
Length of arc
Radius of circle
p radians = 180°
MA-04
Page 10
Rev. 0
