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The product of all values of (cos alpha ...

The product of all values of `(cos alpha + isin alpha)^(2//3)` is :

A

1

B

`cos alpha +isin alpha`

C

`cos 2alpha + i sin 2alpha`

D

`cos 3alpha + i sin 3alpha`

Text Solution

Verified by Experts

The correct Answer is:
C
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