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Calculus: Early Transcendentals
8th Edition
ISBN: 9781285741550
Author: James Stewart
Publisher: Cengage Learning
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![Apply the law of cosines to the triangle in the accompanying
figure to derive the formula for cos (A – B).
1](https://content.bartleby.com/qna-images/question/7ed5cb5a-1a1d-4ae3-b248-4e617fbc73a7/b22ea84d-7a58-4407-b90c-23b5d445ef7f/td5kz0u.png)
Transcribed Image Text:Apply the law of cosines to the triangle in the accompanying
figure to derive the formula for cos (A – B).
1
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