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cosh

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

Hyperbolic cosine

float cosh ( float $arg )

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

Parameters:

arg

The argument to process

Returns:

The hyperbolic cosine of arg

See also:

Links:

http://php.net/manual/en/function.cosh.php

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2016-02-24 16:02:27

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