Use Figure 27 to derive the Law of Cosines from the Pythagorean Theorem. b. 0 a

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Use Figure 27 to derive the Law of Cosines from the Pythagorean Theorem.

b. 0  a a - b cos 0

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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