Lesson 6

Reference Angles

               Associated with any angle theta q n standard position is another angle called the reference angle r.

               The Reference Angle is a positive acute angle formed by the terminal ray of q and the x axis.

               Here are some examples.

                           Use a diagram to find the reference angle

                                                      

                                     

                           Example

 

                                       

                                        

 

                                                                                                           

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