hyperbolic cosine

English

A graph of the hyperbolic cosine function. This curve is called a catenary.

Noun

hyperbolic cosine (plural hyperbolic cosines)

1. (mathematics) A hyperbolic function that is written in symbol cosh and defined as the following: $\cosh(x)={\tfrac {1}{2}}(e^{x}+e^{-x})$.

Translations

hyperbolic function

• Finnish: hyperbolinen kosini
• French: cosinus hyperbolique m
• Icelandic: breiðbogakósínus m
• Japanese: ハイパボリックコサイン (haipaborikku kosain), 双曲余弦 (sōkyoku yogen)
• Polish: cosinus hiperboliczny m
• Russian: гиперболи́ческий ко́синус m (giperbolíčeskij kósinus)
• Swedish: cosinus hyperbolicus c

See also

• hyperbolic sine