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sir, why the arguement of complex no:,z=i-1/cos60 + isin60 is 75

Asked by 6th March 2013, 8:46 AM
Answered by Expert
Answer:
amplitude will not be 75 for the question
Z=i-1/cos60 +isin60
 =-2+(1-√3/2)i
as x is negative and y is positive so complex no. will lie in second quadrant
amplitude will be=∏-tan^-1[(2-√3)/4}
Answered by Expert 6th March 2013, 1:23 PM
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