Law of Cosines

Posted: January 27, 2021 in Pre-Calculus II ( formerly Pre-Cal)
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Law of Cosines or Cosine Rule (solutions, examples, videos)

Solving for a side with the law of cosines Video

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Solving for an angle with the law of cosines Video

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Use the Law of Cosines to solve oblique triangles (SSS or SAS)

Solve triangles using the law of cosines
Exercises

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