Prove the identity. cosh 2x = cosh 2 x + sinh 2 x

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Prove the identity.

cosh 2x = cosh²x + sinh²x

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Calculus Early Transcendentals

ISBN: 978-1285741550

8th edition

Authors: James Stewart

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Question Posted: Feb 26, 2019 07:38 AM

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Prove the identity. cosh 2x = cosh 2 x + sinh 2 x

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Putting y x in the r...View the full answer

Calculus Early Transcendentals

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