Programming Reference Manual
 
Syntax
 
Cos(Num)
 
Description
Return the cosine.
 
Parameter
Description
Num
Return the cosine of this numeric value. This is the number of radians. There are 2*Pi radians in a full circle. 
See Also
Example
 
Sub Main
Debug.Print Cos(1) ' 0.54030230586814
End Sub