DLMF:4.35.E7

MaRDI QIDQ2243

• Label: DLMF:4.35.E7

Digital Library of Mathematical Functions ID 4.35.E7

${\displaystyle{\displaystyle\cosh u+\cosh v=2\cosh\left(\frac{u+v}{2}\right)\cosh\left(\frac{u-v}{2}\right),}}$

Symbols List

• ${\displaystyle{\displaystyle\cosh\NVar{z}}}$: hyperbolic cosine function
 

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