Use the identity cos 2 x = 1/2 (1 + cos 2x) to find the Maclaurin series

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Use the identity cosx = 1/2 (1 + cos 2x) to find the Maclaurin series for ƒ(x) = cos2 x.

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Calculus

ISBN: 9781319055844

4th Edition

Authors: Jon Rogawski, Colin Adams, Robert Franzosa

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