WorksheetFunction.Acos Method
| Excel Developer Reference |
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.
Syntax
expression.Acos(Arg1)
expression A variable that represents a WorksheetFunction object.
Parameters
| Name | Required/Optional | Data Type | Description |
|---|---|---|---|
| Arg1 | Required | Double | The cosine of the angle you want and must be from -1 to 1. |
Return Value
Double
Remarks
If you want to convert the result from radians to degrees, multiply it by 180/PI() or use the Degrees method.
See Also