PHP atanh() Function
Definition and Usage
The atanh() function returns the inverse hyperbolic tangent of an angle.
Syntax
atanh(x)
| Parameter | Description |
|---|---|
| x | Required. A number. |
Description
atanh() function returns x is the inverse hyperbolic tangent, that is, its hyperbolic tangent is x of the value.
Tips and Comments
Note:This function is not implemented on the Windows platform.
