## Algebra and Trigonometry 10th Edition

Published by Cengage Learning

# Chapter 8 - 8.2 - Law of Cosines - 8.2 Exercises - Page 573: 2

Alternative

#### Work Step by Step

When solving a triangle given 3 sides (SSS) we can use the Alternative Form of the Law of Cosines. This is because it solves for an angle.

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