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    What would the vector of the z axis be? Thanks
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    (Original post by Jack_Miller)
    What would the vector of the z axis be? Thanks
    What are the x and y values of something on the z axis?

    Or a simpler example to first think about, the x values of something on the y axis in 2D?
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    (Original post by SeanFM)
    What are the x and y values of something on the z axis?

    Or a simpler example to first think about, the x values of something on the y axis in 2D?
    The question is, calculate the angle in degrees between (5,-1,3) and the z axis
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    (Original post by Jack_Miller)
    The question is, calculate the angle in degrees between (5,-1,3) and the z axis
    I think you'll find that it doesn't matter, if you take the unit vector in the z direction or (0,0,10) or (0,0, lambda) - the lambda cancels out anyway.
 
 
 
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