Trigonometry: Trigonometric Functions: The Unit Circle

Angles and Radians of a Unit Circle Courtesy of Randal Holt Original Source Unknown http: com Positive: sin, csc Negative: cos

Standard position simply means that the vertex of the angle is at the origin of the circle and that one ray of the angle is on the positive x-

unit731 How To: Given a point P on the unit circle corresponding to an angle of t t , find the sine and cosine The sine of t t is equal to the y-

unit circle Unit Circle · Unit Circle and Sine Graph Activity · Unit Circle and Cosine Graph Activity · Unit Circle and the Trigonometric Functions Activity · Unit