Trigonometric Functions: Basic Angles and Radian Measures

think iconThink & Click: Introduction to the Unit Circle

Now, you try. Complete the Think & Click activity by looking at each problem below, thinking about it, and then clicking on the question to reveal the solution.

On the unit circle what is the equivalent angle measure in degrees of five times pi divided by six radians?
 

150°
 

On the unit circle what is the equivalent angle measure in radians of 330°?
 

11 times pi divided by 6 radians
 

Review Icon Review Worksheet

Complete the review worksheet for this section before taking the quiz. Download the review worksheet, complete the questions, and then download the answer key to check your work. Make sure to ask your teacher any questions.


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