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cosh

(PHP 4 >= 4.1.0, PHP 5, PHP 7, PHP 8)

cosh — Hyperbolic cosine

Опис

cosh(float $num): float

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

Параметри

num

The argument to process

Значення, що повертаються

The hyperbolic cosine of num

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