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Math Help - 2D and 3D Vectors: How do they work?

  1. #1
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    2D and 3D Vectors: How do they work?

    Hey everyone, I am new to this website and I'm glad to be a part of this awesome mathematics community!

    I have heard of vectors, but my Calculus class never touched base on them. All I know about vectors is that they have a direction and a magnitude, and cosine has something to do with them. But that's about it. So... how do they work? And what kind of applications use 2D and/or 3D vectors?

    Thanks!
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  2. #2
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    Quote Originally Posted by XRaptor View Post
    Hey everyone, I am new to this website and I'm glad to be a part of this awesome mathematics community!

    I have heard of vectors, but my Calculus class never touched base on them. All I know about vectors is that they have a direction and a magnitude, and cosine has something to do with them. But that's about it. So... how do they work? And what kind of applications use 2D and/or 3D vectors?

    Thanks!
    Are Google and Wikipedia not working?
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  3. #3
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    I'll do some searching first, sorry for asking here.
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  4. #4
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    Vectors

    Hello XRaptor

    If you want to see what displacement or position vectors are, and an example of how vectors work in geometry, look at the posting I made a few days ago here. (Read the whole page to get the full story.)

    Grandad
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