Instructional Video

Khan Academy: Unit Circle: Unit Circle Definition of Trig Functions

Curated by ACT

In this video tutorial students extend SOH CAH TOA trigonometric relationships so that we can define trig functions for a broader class of angles.

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CCSS: Adaptable
Concepts
cosine, opposite, sine, tangent, trigonometric functions, unit circle
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Additional Tags
adjacent, khan academy, khan academy: unit circle: unit circle definition of trig functions, unit circle definition of trig functions, trigonometry
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Classroom Considerations
  • Knovation Readability Score: 1 (1 low difficulty, 5 high difficulty)
Common Core
HSF-TF.A.2 HSF-TF.A.3