PHP 7.0.0 Beta 2 Released

cosh

(PHP 4 >= 4.1.0, PHP 5)

coshHyperbolic cosine

Descrierea

float cosh ( float $arg )

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

Parametri

arg

The argument to process

Valorile întoarse

The hyperbolic cosine of arg

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