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Sine and Cosine on the Unit Circle

Unit 7: Trigonometry: The Unit Circle
Lesson 4 of 9

Objective: SWBAT use the unit circle to extend the definitions of sine and cosine to all real numbers.

Big Idea: Now that we've established the structure of the unit circle, it's a short leap to understaning our new, "extended" definitions of sine and cosine.

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Subject(s):
Math, Trigonometry, Trigonometric functions, unit circle, radius, right triangle, sine, cosine, period
  72 minutes
from reflection to reference
 
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