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Lesson Plan: Proving Trigonometric Identities

This lesson plan includes the objectives and prerequisites of the lesson teaching students how to prove trigonometric statements using known trigonometric identities.

Objectives

Students will be able to

  • prove mathematical statements using other known trigonometric identities such as
    • sincos𝑥+𝑥=1,
    • angle sum and difference identities,
    • double angle identities.

Prerequisites

Students should already be familiar with

  • sincos𝑥+𝑥=1,
  • angle sum and difference identities,
  • double angle identities,
  • radians and degrees.

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