Tangent Lines and the Tangent Function

Construct tangent lines and make the connection to tangent functions. An informative lesson reviews the geometry origins of the tangent function. Pupils use that information to determine how to construct a tangent to a circle from a given point in the fifth part in a unit of 16.

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CCSS: Designed
Instructional Ideas

  • Let individuals use geometry software to create the constructions
  • Review the relationship between all six of the tangent functions
Classroom Considerations

  • Class should be familiar with basic constructions
Pros

  • Answer keys use color to highlight the constructions
  • Lesson connects the functions to geometry
Cons

  • None
Common Core