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Home  /  Glencoe Algebra 2 with Trigonometry (2018)  /  Chapter 9 · Trigonometric Ratios and Functions
Section 9.10

Law of Cosines

Solving SAS and SSS triangles using c^2 = a^2 + b^2 - 2ab cos C.

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Chapter 9 · Trigonometric Ratios and Functions
Lesson

Lesson on the Law of Cosines

Examples

Examples on the Law of Cosines with an SSS Triangle

Lesson

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