Instructional Video

Khan Academy: Trigonometry: Sine & Cosine Identities: Periodicity

Curated by ACT

Sal finds trigonometric identities for sine and cosine by considering angle rotations on the unit circle. [6:13]

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CCSS: Adaptable
Concepts
trigonometric functions, unit circle
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Additional Tags
khan academy, khan academy: trigonometry: sine & cosine identities: periodicity, oh.math.hsf.tf.4, relating trig functions through angle rotations, use the unit circle to explain periodicity of trigonometric functions
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Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Resource Type
Instructional Videos
Audiences
For Administrator Use
2 more...
Lexile Measures
0L