cosh
cosh
(PHP 4 >= 4.1.0, PHP 5, PHP 7)
cosh — Hyperbolic cosine
Description
float cosh ( float $arg )
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()
← cos
decbin →
© 1997–2017 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.