Lesson Plan: Simplifying Trigonometric Expressions Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to simplify a trigonometric expression.


Students will be able to

  • simplify trigonometric expressions using the relationship between trigonometric functions,
  • use the Pythagorean to simplify trigonometric expressions,


Students should already be familiar with

  • the relationship between trigonometric functions and reciprocal trigonometric functions,
  • the equivalence of trigonometric functions with complementary angles,
  • the Pythagorean theorem.


Students will not cover

  • double- and half-angle formulae,
  • solving trigonometric equations.

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