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acoshInverse hyperbolic cosine


acosh ( float $arg ) : float

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



The value to process

Valorile întoarse

The inverse hyperbolic cosine of arg

Istoricul schimbărilor

Versiune Descriere
5.3.0 This function is now available on all platforms

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