Instructional Video

Khan Academy: Intro to the Trigonometric Ratios

Curated by ACT

Sal introduces sine, cosine, and tangent, and gives an example of finding them for a given right triangle.

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CCSS: Adaptable
Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
Common Core