ASin(Value: Double): Double;
Value. Angle sine.
The ASin method returns the arcsine of the number.
The Value parameter value cannot be empty and must belong to the [-1;1] interval.
To execute the example, add a link to the MathFin system assembly.
Sub UserProc;
Var
r: Double;
Begin
r := Math.ASin(-0.5);
Debug.WriteLine(r);
End Sub UserProc;
After executing the example the console window displays the arcsine of the specified angle equal to -0.523598775598299.
See also: