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Unit Circle and Trigonometric Functions: Essential Study Notes for Trigonometry

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Defining the Unit Circle

  • Introduction to the Unit Circle
    06:11

Trigonometric Functions on the Unit Circle

  • Sine, Cosine, & Tangent on the Unit Circle
    6:34

Common Values of Sine, Cosine, & Tangent

  • Example 1
    6:04
  • Sine, Cosine, & Tangent of 30°, 45°, & 60°
    5:08

Reference Angles

  • Trig Values in Quadrants II, III, & IV
    5:30
  • Reference Angles on the Unit Circle
    5:31
  • Coterminal Angles on the Unit Circle
    3:47