Published by:
CGP EDU Academic Team
Published on: August 12, 2026
If 
is an imaginary cube root of unity, then the value of 
, is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
We are given 
as an imaginary cube root of unity, so 
and 
.
Reduce the powers modulo 3:
Sum: 
.
So the angle becomes:
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