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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.
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Chapter Learning Targets
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Chapter Outline
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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?
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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.
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Class Discussion 4-2 & 4-3 Filling in the angles
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Class Discussion 4-2 & 4-3 Finding the sides of the triangles
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Using the triangles
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Class Discussion 4-2 & 4-3 Finding the coordinates
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4-4: Looking for Patterns
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4-5: With your Partner
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4-6: Together as a Class
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Exit Slip
Complete the Exit Slip – no
calculators!
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Exit Slip
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Assignment
HW 4.1.1
4-7 to 4-14
(pg. 181)