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Math Help - Complex number help please

  1. #1
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    Complex number help please-THREAD MOVED SEE LINK

    Draw the points A : i
    and the point B: (1/(20.5)) + (1/(20.5))i on a argand digram and hence find the argument of A+B i drew it but i am clueles


    Thread moved to complex numbers help please
    Last edited by righteous818; April 22nd 2013 at 10:02 AM. Reason: MOVED
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  2. #2
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    Re: Complex number help please

    If (x, y) represents x + iy, then the arugment is \theta  such that \tan{\theta} = \frac{y}{x} and  0 \le \theta \le 2\pi
    Last edited by mathguy25; April 22nd 2013 at 12:28 PM.
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