Template:Cosh/doc

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The {{cosh}} hyperbolic function template returns the hyperbolic cosine of $\scriptstyle x\,$, where $\scriptstyle x\,$ is a real number.

Usage

{{cosh|a real number}}

Valid input

A real number as argument.

Examples

Examples with valid input

Code	Result
{{cosh|-1}}	1.5430806348152
{{cosh|-0.5}}	1.1276259652064
{{cosh|0}}	1
{{cosh|0.5}}	1.1276259652064
{{cosh|1}}	1.5430806348152

Examples with invalid input (returns an error message)

Code	Result
{{cosh|i}}

Code

{{ifnum| {{{1|not a number}}}
| {{#expr: ( exp (+{{{1}}}) + exp (-{{{1}}}) ) / 2 }}
| {{error| Cosh error: Argument must be a real number }}
}}

See also

• Hyperbolic functions
• Inverse hyperbolic functions

• {{sinh}}
• {{cosh}}
• {{tanh}}

• {{csch}}
• {{sech}}
• {{coth}}

• {{arsinh}} (see also {{qlog}})
• {{arcosh}}
• {{artanh}}

• {{arcsch}}
• {{arsech}}
• {{arcoth}}