From a product identity, we obtain Cos x/2 cos x/4 = 1/2 [cos(3/4 x) + cos(1/4 x)]

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From a product identity, we obtain
Cos x/2 cos x/4 = 1/2 [cos(3/4 x) + cos(1/4 x)]
Find the corresponding sum of cosines for
cos x/2 cos x/4 cos x/8 cos x/16
Do you see a generalization?

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Calculus

ISBN: 978-0131429246

9th edition

Authors: Dale Varberg, Edwin J. Purcell, Steven E. Rigdon

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Question Posted: Jun 21, 2016 09:33 AM

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From a product identity, we obtain Cos x/2 cos x/4 = 1/2 [cos(3/4 x) + cos(1/4 x)]

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Step by Step Answer:

Cos x2 cos x4 cos x 8 cos x 16 3 2 cos x cos x cos x cos2x 16 16 1 3 cosxcosx 1 3 c...View the full answer

Calculus

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