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Evaluating Trigonometric Functions Using the Reference Angle


In this lesson we will look at Evaluating Trigonometric Functions Using the Reference Angle.

 

 

Evaluating Trigonometric Functions Using the Reference Angle, Example 1
A quick review of the unit circle in quadrant 1 and discuss how to use the reference angle to evaluate some trig functions

 

 

Evaluating Trigonometric Functions Using the Reference Angle, Example 2
Discuss how to use the reference angle to evaluate some more trig functions.

 

 

 

 

 

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