ACOS
function ACOS(arg1: number = null): number | string | booleanDescription
Returns the arccosine of a number, in radians in the range 0 to Pi. The arccosine is the angle whose cosine is Number.
Parameters
- arg1
numberdefault: null Is the cosine of the angle you want and must be from -1 to 1.
Returns
number | string | booleanTry It
var oWorksheet = Api.GetActiveSheet();
var oFunction = Api.GetWorksheetFunction();
oWorksheet.GetRange("A1").SetValue(oFunction.ACOS(0));