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Home  /  Precalculus (7e)  /  Chapter 6 · Additional Topics in Trigonometry
Section 6.2

The Law of Cosines

Law of Cosines for solving SAS and SSS cases; Heron's formula for area.

3 lessons. Pick what you need.

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Chapter 6 · Additional Topics in Trigonometry
6.1 6.2 6.3 6.4 6.5a 6.5b 6.6 6.7
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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