Php/docs/function.cosh

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cosh

(PHP 4 >= 4.1.0, PHP 5, PHP 7)

coshHyperbolic cosine


Description

cosh ( float $arg ) : float

Returns the hyperbolic cosine of arg, defined as (exp(arg) + exp(-arg))/2.


Parameters

arg
The argument to process


Return Values

The hyperbolic cosine of arg


See Also