# The unit circle definition of trigonometric function

In this video, Sal shows how the sine and cosine of an angle are defined on the unit circle. He inscribes a 30-60-90 triangle in the unit circle and explains how one can use SOH-CAH-TOA to find the coordinates on the circle.

Concepts

Resource Details

10th - 12th
Subjects
Math
2 more...
Resource Types
Videos
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Audiences
For Teacher Use
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Instructional Strategy
Flipped Classroom
Accessibility
Closed Captions
Usage Permissions
Creative Commons
BY-NC-SA: 3.0