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Math Help - angle

  1. #1
    Newbie
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    May 2008
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    angle

    Hi. I would like to ask this question : i have 2 vectors in R^3 and i want to know the angle between them BUT the directional angle, i don't want only 0..PI..i want -PI...+PI or 0..360, meaning i'm interested also in the orientation ( clockwise,anticlockwise ). any help would be appreciated
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  2. #2
    MHF Contributor
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    Can't you tell by simple subtraction?
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