Lesson Plan: Simplifying Trigonometric Expressions Using Trigonometric Identities | Nagwa Lesson Plan: Simplifying Trigonometric Expressions Using Trigonometric Identities | Nagwa

Lesson Plan: Simplifying Trigonometric Expressions Using Trigonometric Identities Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to simplify trigonometric expressions by applying trigonometric identities.

Objectives

Students will be able to

  • identify whether an equation represents an identity,
  • recall and use the Pythagorean identities to simplify expressions,
  • use combinations of trigonometric identities, including cofunction identities, shift identities, and Pythagorean identities, to simplify expressions, including reciprocal trigonometric functions,
  • use the trigonometric identities to simplify rational trigonometric expressions.

Prerequisites

Students should already be familiar with

  • basic trigonometric identities including the definitions of the tangent function and reciprocal trigonometric functions,
  • complementary function identities and shift identities.

Exclusions

Students will not cover

  • the sum and difference formulas,
  • the double- and half-angle formulas.

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