Prove: (Note the * means there is a bar over it) 1.) arg z* = -arg z(mod 2Pi) 2.) arg(z/w) = arg z - arg w (mod 2Pi) 3.) |z| = 0 if and only if z = 0
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Originally Posted by Ideasman 1.) arg z* = -arg z(mod 2Pi) 2.) arg(z/w) = arg z - arg w (mod 2Pi) 3.) |z| = 0 if and only if z = 0 The first is easy. For the third one way is trival.
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