Work Period: Extending the Definitions of Trig Ratios to the Unit Circle, Video Narrative, Section 2 - Section 2: Practice With a Purpose

 
  Work Period: Extending the Definitions of Trig Ratios to the Unit Circle, Video Narrative, Section 2
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Work Period: Extending the Definitions of Trig Ratios to the Unit Circle

Unit 7: Trigonometry: The Unit Circle
Lesson 5 of 9

Objective: SWBAT determine when the values of trig ratios are the same for two different central angles, by using reference angles and the unit circle.

Big Idea: When class opens and closes with the same formative task, students have a clear idea of what to look for as they're practicing today.

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Subject(s):
Math, Trigonometric functions, unit circle, central angles (Trig), trigonometric ratios, Reference Angles, radius, right triangle, sine, cosine, period
  75 minutes
thinking in inequalities
 
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