| ESBArcSec Function | 
Unit
QESBPCSMath
Declaration
Function ESBArcSec(const X: Extended): Extended;
Description
Return Values are between 0 and Pi.
| Parameters | 
| X | Float to process. | 
Category
Arithmetic Routines for FloatsImplementation
 
| function ESBArcSec (const X: Extended): Extended;
begin
     if abs (X) < 1 then
          raise EMathError.Create (rsDivideByZero);
     Result := ESBArcCos (1 / X);
End; | 
|  |