up previous next
Fn.ArcCos

Returns the arccosine of a given value.
Syntax
          
Fn.ArcCos(X:RAT):RAT

          

Description
This function returns the arccosine of X rounded to the current global accuracy. The domain of this functions ranges between -1 and 1.

Example
Fn.SetAccuracy(20);
R := Fn.ArcCos(1/2);
Dec(R, 30);

1.04719755119659774615
-------------------------------



See Also