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Manuale PHP
IndietroAvanti

tanh

(PHP 4 >= 4.1.0, PHP 5)

tanh -- Tangente iperbolica

Descrizione

float tanh ( float arg)

Restituisce la tangente iperbolica di arg, definita come sinh(arg)/cosh(arg).

Vedere anche tan(), atanh(), sin() e cos().

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