Formula:2281

Digital Library of Mathematical Functions ID 4.35.E26

${\displaystyle{\displaystyle\sinh\left(2z\right)=2\sinh z\cosh z=\frac{2\tanh z}{1-{\tanh^{2}}z},}}$

Symbols List

• ${\displaystyle{\displaystyle\cosh\NVar{z}}}$: hyperbolic cosine function
• ${\displaystyle{\displaystyle\sinh\NVar{z}}}$: hyperbolic sine function
• ${\displaystyle{\displaystyle\tanh\NVar{z}}}$: hyperbolic tangent function
• ${\displaystyle{\displaystyle z}}$: complex variable
 

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