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Reference Angles
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The Unit Circle
 

Trigonometric Functions

 
 

Problems

 
Problem 3.1: What is the measure of the reference angle for a 310-degree angle?
 
Problem 3.2: Which angle is complementary to its reference angle?
 
Problem 3.3: Which value is not equal to the others: sin(), sin(), sin(), sin()?
 
Problem 3.4: Which angles are equal to their reference angles?
 
Problem 3.5: What is the measure of the reference angle for an angle of radians?
 
 
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