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Trigonometric Laws and Identities

This unit continues the study of trigonometric functions, including important trigonometric identities and the study of the special properties of trigonometric functions. The law of sines and law of cosines are also topics in this unit.

Precalculus: Trigonometric Laws and Identities Activities

Title Type

Proof of Identities

This lesson involves discovering, visualizing, and proving trigonometric identities.

Alignments  Standards  |  Textbook  
  • 2983

Law of Sines

This lesson involves exploring the relationship known as the Law of Sines.

Alignments  Standards  |  Textbook  
  • 2986

Law of Cosines

This lesson involves visualizing and exploring the Law of Cosines.

Alignments  Standards  |  Textbook  
  • 2771

Relatives of the Sine Law

This lesson involves investigating several variations of the Law of Sines.

Alignments  Standards  |  Textbook  
  • 292

Radio Station KTNS

This lesson involves determining the distance one can hear a radio station as a function of the range of the station.

Alignments  Standards  |  Textbook  
  • 2297
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