DLMF:4.28.E3

MaRDI QIDQ2161

• Label: DLMF:4.28.E3

Digital Library of Mathematical Functions ID 4.28.E3

${\displaystyle{\displaystyle\cosh z\pm\sinh z=e^{\pm z},}}$

Symbols List

• ${\displaystyle{\displaystyle\mathrm{e}}}$: base of natural logarithm
• ${\displaystyle{\displaystyle\cosh\NVar{z}}}$: hyperbolic cosine function
• ${\displaystyle{\displaystyle\sinh\NVar{z}}}$: hyperbolic sine function
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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