Suppose that ak 0 as k . Prove that a sin(2k + 1)x) !

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Suppose that ak †“ 0 as k †’ ˆž. Prove that

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An Introduction to Analysis

ISBN: 978-0132296380

4th edition

Authors: William R. Wade

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Question Posted: Mar 29, 2016 04:07 AM

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Suppose that ak 0 as k . Prove that a sin(2k + 1)x) !

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a sin(2k + 1)x) に!

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By a sum angle formula and telescoping we see that 2 sin x n k1 sin2k 1x n k1 ...View the full answer

An Introduction to Analysis

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