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Instructional Video

Khan Academy: Example: Trig Function Values Using Unit Circle Definition

Curated by ACT

Worked example that uses the unit circle definition to evaluate trig functions. [11:24]

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CCSS: Adaptable
Concepts
cosine, sine, trigonometric functions, unit circle
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Additional Tags
trig function, khan academy, khan academy: example: trig function values using unit circle definition, oh.math.hsf.tf.3, use special triangles to determine geometrically the values of sine, cosine, tangent
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Classroom Considerations
  • This video is hosted on YouTube
Common Core
HSF-TF.A.3 HSF-TF.A.2