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decbin> <cos
[edit] Last updated: Fri, 17 May 2013

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cosh

(PHP 4 >= 4.1.0, PHP 5)

cosh — Coseno iperbolico

Descrizione

float cosh ( float $arg )

Restituisce il coseno iperbolico di arg, definito come (exp(arg) + exp(-arg))/2.

Vedere anche: cos(), acosh(), sin() e tan().



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