Wed October 05, 2011 By:
If P (x,y) belongs to the first quadrant,then arg (z)=theta
If P (x,y) belongs to the second quadrant,then arg (z)=pi-theta and so on

Answer the following question:

Expert Reply
Thu October 06, 2011
Yes,it is necessary to apply this rule ,while finding the argument of a complex number.
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