Question: Formulas for hyperbolic functions Show that cosh z = cosh x cos y + i sinh x sin y sinh z = sinh x cos

Formulas for hyperbolic functions

Show that

cosh z = cosh x cos y + i sinh x sin y
sinh z = sinh x cos y + i cosh x sin y


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cosh z cosh x cos y i sinh x sin y sinh z sinh x cos y i cosh x sin y This can be proved by noting t... View full answer

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