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Template:Coth/doc
From OeisWiki
The {{coth}} hyperbolic function template returns the hyperbolic cotangent of , where is a nonzero real number.
Contents
Usage
- {{coth|a nonzero real number}}
Valid input
- A nonzero real number as argument.
Examples
Examples with valid input
Code Result {{coth|-1}} -1.3130352854993 {{coth|-0.5}} -2.1639534137387 {{coth|0.5}} 2.1639534137387 {{coth|1}} 1.3130352854993
Examples with invalid input (returns an error message)
Code Result {{coth|0}} Coth error: Argument must be a nonzero real number {{coth|i}} Coth error: Argument must be a nonzero real number
Code
{{ifnum| {{{1|NAN}}} | {{#ifexpr: ({{{1}}}) = 0 | {{error| Coth error: Argument must be a nonzero real number }} | {{#expr: 1 / {{tanh| {{{1}}} }} }} }} | {{error| Coth error: Argument must be a nonzero real number }} }}
See also