Please wait while we load your page...

Tools

PHP Manual [acosh]

Protect Your Website Today


PHP Manual || Math Functions

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

acoshInverse hyperbolic cosine

Description

acosh ( float $arg ) : float

Returns the inverse hyperbolic cosine of arg, i.e. the value whose hyperbolic cosine is arg.

Parameters

arg

The value to process

Return Values

The inverse hyperbolic cosine of arg

Changelog

Version Description
5.3.0 This function is now available on all platforms

See Also



PHP Manual || Math Functions