Use the definitions of cosh x and sinh x to show that cosh 2 x - sinh

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Use the definitions of cosh x and sinh x to show that cosh² x - sinh² x = 1.

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Thomas Calculus Early Transcendentals

ISBN: 9780321884077

13th Edition

Authors: Joel R Hass, Christopher E Heil, Maurice D Weir

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Question Posted: Apr 28, 2023 07:49 AM

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Use the definitions of cosh x and sinh x to show that cosh 2 x - sinh

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ANSWER We can start by using the definitions of hyperbolic cosine cosh and hyperbolic ...View the full answer

Thomas Calculus Early Transcendentals

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