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acosh

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

acoshInverse hyperbolic cosine

Descrierea

acosh ( float $arg ) : float

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

Parametri

arg

The value to process

Valorile întoarse

The inverse hyperbolic cosine of arg

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