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[(1+cos(pi/12)+isin(pi/12))/ (1+cos(pi/1...

`[(1+cos(pi/12)+isin(pi/12))/ (1+cos(pi/12) -isin(pi/12))]^72` =

A

0

B

-1

C

1

D

1/2

Text Solution

Verified by Experts

The correct Answer is:
C
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