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Find the argument of the following question . Z=[(1- i3½)³]³

Find the argument of the following question .
 
Z=[(1- i3½)³]³

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1 Answers

Arun
25750 Points
5 years ago
Dear Sanjay
 
we can write it as
 
z = ((2^3 (cos (-60) + i sin (-60))^3)^3
 
z = (2^3 (cos (-180) + i sin (-180) )^3
 
z = 2^9 (cos (-540) + i sin (-540)
 
hence argument = pi

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