sinh
(PHP 4 >= 4.0.7, PHP 5)
sinh — Hyperbolic sine
說明
float sinh
( float $arg
)
Returns the hyperbolic sine of arg , defined as (exp(arg) - exp(-arg))/2.
參數
- arg
-
The argument to process
Return值
The hyperbolic sine of arg
(PHP 4 >= 4.0.7, PHP 5)
sinh — Hyperbolic sine
Returns the hyperbolic sine of arg , defined as (exp(arg) - exp(-arg))/2.
The argument to process
The hyperbolic sine of arg