April 2002
Intermediate to advanced
688 pages
19h 51m
English
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Name
Cos Function
Class
System.Math
Syntax
Math.Cos(d)-
d(required; 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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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.