WorksheetFunction.Acos(Double) Method

Reference

Definition

Namespace:: Microsoft.Office.Interop.Excel

Assembly:: Microsoft.Office.Interop.Excel.dll

Important

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Returns the arccosine, or inverse cosine, of a number. The arccosine is the angle whose cosine is Arg1. The returned angle is given in radians in the range 0 (zero) to pi.

public:
 double Acos(double Arg1);

public double Acos (double Arg1);

Public Function Acos (Arg1 As Double) As Double

Parameters

Arg1: Double

The cosine of the angle you want and must be from -1 to 1.

Returns

Double

Remarks

If you want to convert the result from radians to degrees, multiply it by 180/PI() or use the Degrees method.

Applies to