Lesson Plan: Evaluating Trigonometric Functions Using a Calculator Mathematics

This lesson plan includes the objectives, prerequisites, and exclusions of the lesson teaching students how to find trigonometric function values using a calculator.


Students will be able to

  • find values of trigonometric functions (sine, cosine, and tangent) of an angle given in degrees or radians using a calculator.


Students should already be familiar with

  • trigonometric ratios,
  • converting the measure of angles between degrees; degrees, minutes, and seconds; and radians,
  • using a calculator.


Students will not cover

  • solving word problems using values of trigonometric functions,
  • reciprocal trigonometric functions.

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