Evaluating Angles.

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Presentation transcript:

Evaluating Angles

Revision from last lesson….. = 1 = 1

The coordinates

Definition of Trigonometric Functions Let be a real number and (x, y) the point on the unit circle corresponding to . Sin = y Csc = Cos = x Sec = Tan = Cot =

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Evaluate the six trigonometric functions at each real number. (0, -1) = y = -1 = -1 = x = 0 DNE = 0 DNE Does Not Exist

Evaluate the six trigonometric functions at each real number. -1 Sin Cos Tan Csc Sec Cot -1 So, you think you got it now?