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Home  /  Precalculus: Graphical, Numerical, Algebraic (10e, HS/AP edition)  /  Chapter 5 · Analytic Trigonometry
Section 5.6

The Law of Cosines

Law of cosines for SAS and SSS triangles; area of a triangle.

3 lessons. Pick what you need.

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Chapter 5 · Analytic Trigonometry
5.1 5.2 5.3 5.4 5.5 5.6
Lesson

Lesson on the Law of Cosines

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Examples

Examples on the Law of Cosines with an SSS Triangle

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Lesson

Lesson on Heron's Formula for the Area of a Triangle

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