Trigonometry and precalculus
Basic Trigonometry

Unit circle definition of trigonometric functions

  1. Unit circle definition of trig functions
  2. Example: Unit circle definition of sin and cos
  3. Example: Using the unit circle definition of trig functions
  4. Example: Trig function values using unit circle definition
  5. Example: The signs of sine and cosecant
  6. Unit Circle Manipulative
  7. Unit circle
Additional content

Unit Circle Manipulative Walk-through of the Khan Academy Unit Circle Manipulative: http://www.khanacademy.org/math/trigonometry/e/unit_circle

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Unit Circle Manipulative

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