cosh

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

cosh ¡ª Hyperbolic cosine

Description

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

Parameters

arg

The argument to process

Return Values

The hyperbolic cosine of arg

See Also

• cos() - Cosine

• acosh() - Inverse hyperbolic cosine

• sinh() - Hyperbolic sine

• cosh()

¡û cos

decbin ¡ú

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/function.cosh.php