If x = in (sec + tan ), show that sec = cosh x.

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If x = in (sec θ + tan θ), show that sec θ = cosh x.

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Complex Variables and Applications

ISBN: 978-0073051949

8th edition

Authors: James Brown, Ruel Churchill

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Question Posted: Jun 25, 2010 10:55 PM

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If x = in (sec + tan ), show that sec = cosh x.

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cosh x coshlnsec 0 tan 0 ensec 0 sec 0 ta...View the full answer

Complex Variables and Applications

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