4.1.1: Do you ever feel like you are going in circles? Today we will review the special angles of the unit circle that we talked about in Chapter 1 and find the coordinates of these angles.

Chapter Learning Targets

Chapter Outline

4-1: Recall the Unit Circle How many radians are in a full circle? How many radians are in a half circle? What are the radian measures that correspond to the following degree measures? 30˚45˚60˚ What were some patterns that we found?

Partner Problems 4-2 & 4-3 Complete 4-2 and 4-3 with your partner. Carefully read the directions in the book for each step.

Class Discussion 4-2 & 4-3 Filling in the angles

Class Discussion 4-2 & 4-3 Finding the sides of the triangles

Using the triangles

Class Discussion 4-2 & 4-3 Finding the coordinates

4-4: Looking for Patterns

4-5: With your Partner

4-6: Together as a Class

Exit Slip Complete the Exit Slip – no calculators!

Exit Slip

Assignment HW to 4-14 (pg. 181)