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asinh

(PHP 4 >= 4.1.0, PHP 5)

asinh -- Inverse hyperbolic sine

Description

float asinh ( float arg)

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

Bemærk: Denne funktion er ikke implementeret på Windows platformen.

See also: asin(), acosh(), and atanh().

 
 
 
 
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