Formulas for hyperbolic functions Show that cosh (z 1 z 2 ) cosh z 1 cosh z 2 sinh z 1 sinh z 2 sinh (z 1 z 2 ) sinh z 1 cosh z 2 cosh z 1 sinh z 2 ...

The right side is cosh z 1 cosh z 2 sinh z 1 s ...

Formulas for hyperbolic functions Show that cosh (z 1 + z 2 ) = cosh z 1

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Formulas for hyperbolic functions

Show that

cosh (z₁ + z₂) = cosh z₁ cosh z₂ + sinh z₁ sinh z₂
sinh (z₁ + z₂) = sinh z₁ cosh z₂ + cosh z₁ sinh z₂

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Advanced Engineering Mathematics

ISBN: 978-0470458365

10th edition

Authors: Erwin Kreyszig

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Question Posted: Dec 12, 2018 11:52 AM

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Formulas for hyperbolic functions Show that cosh (z 1 + z 2 ) = cosh z 1

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The right side is cosh z 1 cosh z 2 sinh z 1 s...View the full answer

Advanced Engineering Mathematics

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