Measurement In Radians

Measurement in Radians

Measurement in Radians
Definition of Radian
Conversion between Degrees and Radians
Use of Radians in Trigonometry
Advantages of Radians over Degrees
One Radian is the angle subtended at the center of a circle by an arc equal in length to the radius
To convert degrees to radians: multiply by π/180
To convert radians to degrees: multiply by 180/π
Sine, Cosine, and Tangent functions
Use in Calculus
More natural measure of angle
More convenient in mathematical analysis