Syntax
Atn(Num)
Group
Math
Description
Return the arc tangent. This is the number of radians. There are 2*Pi radians in a full circle.
Parameters
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Description
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Num
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Return the arc tangent of this numeric value.
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See Also
Cos, Sin, Tan
Example
Sub Main
Debug.Print Atn(1)*4 ' 3.1415926535898
End Sub