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Home  /  Precalculus (11e)  /  Chapter 6 · Additional Topics in Trigonometry
Section 6.2

Law of Cosines

Solving oblique triangles via Law of Cosines (SSS, SAS); Heron 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 6.5 6.6
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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