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cosh

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

cosh — Hyperbolic cosine

Descrierea

cosh ( float $num ) : float

Returns the hyperbolic cosine of num, defined as (exp(arg) + exp(-arg))/2.

Parametri

num: The argument to process

Valorile întoarse

The hyperbolic cosine of num

A se vedea și

cos() - Cosine
acosh() - Inverse hyperbolic cosine
sinh() - Hyperbolic sine
tanh() - Hyperbolic tangent

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