CPM Homework Banner

Home > PC3 > Chapter 2 > Lesson 2.3.1 > Problem 2-127

2-127.

State all values of that satisfy each of the following equations. Sketching a unit circle will help. 

  1.  

  1.  

  1. What special angle(s) are involved?
    What does the negative sign mean?

  1.  

    These angles are coterminal with the -axis.