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Trigonometric Functions and the Unit Circle
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Defining Trigonometric Functions on the Unit Circle

Unit circle

Unit circle

Coordinates of a point on a unit circle where the central angle is $t$ radians.

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    Boundless vets and curates high-quality, openly licensed content from around the Internet. This particular resource used the following sources:

    "Algebra and Trigonometry, Algebra and Trigonometry. ."
    http://cnx.org/contents/13ac107a-f15f-49d2-97e8-60ab2e3b519c@5.241 OpenStax CC BY 4.0.

Related Terms

  • periodicity
  • unit circle
  • quadrants
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