ArCosH
Return inverse hyperbolic cosine
Declaration
Source position: math.pp line 376
function ArCosH(x: Float) : Float;
Description
Arcosh returns the inverse hyperbolic cosine of its argument x. The argument x should be larger than 1. The arccosh variant of this function is supplied for Delphi compatibility.
Errors
If the argument x is not in the allowed range, an EInvalidArgument exception is raised.
See also
| Name | Description |
|---|---|
| arcsin | Return inverse sine |
| arsinh | Return inverse hyperbolic sine |
| artanh | Return inverse hyperbolic tangent |
| cosh | Return hyperbolic cosine |
| sinh | Return hyperbolic sine |
| tanh | Return hyperbolic tangent |
Example
Program Example3;
{ Program to demonstrate the arcosh function. }
Uses math;
begin
Writeln(arcosh(1));
Writeln(arcosh(2));
end.