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Sharing Teaching Ideas
Sharing Teaching Ideas: Using the Law of Cosines to Teach the Ambiguous Case of the Law of Sines

Elizabeth Harrison 

February 2002, Volume 95, Issue 2, Page 114

Abstract:
Students use the Law of Cosines and tools of construction, the Quadratic Formula, and graphing parabolas to explore the Ambiguous Case of the Law of Sines.

Keywords:
Trig Functions
Article
Conceptual Development
Grades 9-12
Teacher
Reasoning and Proof