Lesson Plan: Direction Angles and Direction Cosines | Nagwa Lesson Plan: Direction Angles and Direction Cosines | Nagwa

Lesson Plan: Direction Angles and Direction Cosines Mathematics

This lesson plan includes the objectives and prerequisites of the lesson teaching students how to find direction angles and direction cosines for a given vector in space.

Objectives

Students will be able to

  • understand that the direction cosines of a vector are the components of the unit vector in the direction of the vector,
  • identify the relationship between the direction cosines of a vector,
  • find direction angles of a vector in space either given in component form or represented graphically,
  • find direction cosines of a vector in space either given in component form or represented graphically.

Prerequisites

Students should already be familiar with

  • determining the norm of a vector in space,
  • vector operations in space,
  • evaluating simple trigonometric expressions.

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