Using the vector diagram below, and the fact that |c|² = ċ · ¿ , prove the cosine law for the triangle. a

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter3: Additional Topics In Trigonometry
Section3.3: Vectors In The Plane
Problem 6ECP
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Using the vector diagram below, and the fact that
|c|² = ċ · ¿ , prove the cosine law for the triangle.
a
Transcribed Image Text:Using the vector diagram below, and the fact that |c|² = ċ · ¿ , prove the cosine law for the triangle. a
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