Instructional Video

Khan Academy: Trigonometric Ratios in Right Triangles

Curated by ACT

Sal shows a few examples where he starts with the two legs of a right triangle and he finds the trig ratios of one of the acute angles.

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CCSS: Adaptable
Additional Tags
khan academy, khan academy: trigonometric ratios in right triangles, trigonometric and inverse trigonometric functions
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional
Common Core
HSF-TF.A.3 HSF-TF.B.5