1.

Two of the three values of (-1)^(1//3) are cos(pi//3)+isin(pi//3),cos(5pi//3)+isin(5pi//3).The third value is

Answer»

`COS(pi//3)-ISIN(pi//3)`
`cos(5pi//3)-isin(5pi//3)`
-1
1

Answer :C


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