Name
Cos Function
Class
System.Math
Syntax
Math.Cos(d)-
d Use: Required
Data Type: Double or numeric expression
An angle in radians
Return Value
A Double data type denoting the cosine of an angle
Description
Takes an angle specified in radians and returns a ratio representing the length of the side adjacent to the angle divided by the length of the hypotenuse
Rules at a Glance
The cosine returned by the function is between -1 and 1.
This is a Shared member, so it can be used without creating any objects.
Example
Dim dblCosine as Double dblCosine = Math.Cos(dblRadians)
Programming Tips and Gotchas
To convert degrees to radians, multiply degrees by pi/180.
To convert radians to degrees, multiply radians by 180/pi.
VB .NET/VB 6 Differences
In VB 6, Cos was an intrinsic VB function. In
the .NET platform, it is a member of the Math class in the System
namespace, and so it is not part of the VB .NET language.
See Also
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