Instructional Video

Khan Academy: Trigonometry: Trigonometry Identity Review/fun

Curated by ACT

Video showing how to derive additional trigonometric identities, including the double angle formulas, from the sine and cosine of the sum and difference of two angles. Includes link to additional practice problems. [11:07]

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CCSS: Adaptable
Resource Details
Grade
9th - 10th
Subjects
Math
2 more...
Audiences
For Administrator Use
2 more...
Lexile Measures
0L
Common Core