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  • Trigonometry: Identities
  • Pythagorean Identities
  • Identities from Similar Right Triangles
  • Sum & Difference Identities
  • Older (Earlier) Applets
  • Other Identities

Trigonometry: Identities

Author:
Mallory Cumpstone, Tim Brzezinski
Topic:
Trigonometry
Trigonometry: Identities

Table of Contents

  • Pythagorean Identities

    • Pythagorean Trigonometric Identity (1)
    • Trig ID Movie (II)
    • Trig ID Movie (III)
  • Identities from Similar Right Triangles

    • Trig Identities from Similar Right Triangles (I)
    • Trig Identities from Similar Right Triangles (II)
  • Sum & Difference Identities

    • Sine & Cosine of a Sum: Discovery
    • Tangent of a Sum: Discovery
    • sin(75) & cos(75) activity
  • Older (Earlier) Applets

    • sin(a + b) & cos(a + b) - Discovery
    • sin(a + b) & cos(a + b) - Discovery - (Solution)
  • Other Identities

    • A Very Unusual Trig Identity
    • What "CO" in COsine Means
    • Bizzare Trig Identity?
    • Law of Cosines: Discovery
Next
Pythagorean Trigonometric Identity (1)

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