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Math Help - argand diagram

  1. #1
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    Unhappy argand diagram

    . A and B are points in an Argand diagram representing the complex numbers 1 and i. P is a point on the circle having AB as a diameter. If P represents the complex number z, find the value of arg(z-1/z-i) if P is in (a).the first quadrant, (b).the second quadrant (c).the fourth quadrant.
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  2. #2
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    Re: argand diagram

    Space..

    The circle passes through the origin(0,0) .... Show us some of your work.....................
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  3. #3
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    Re: argand diagram

    if u take z=a+ib and use tan A -tan B formula we can prove we are dealing with a circle but hw do we knw which quadrant to consider
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