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((1+cos. pi/8+isin. pi/8)/(1+cos. pi/8- ...

`((1+cos. pi/8+isin. pi/8)/(1+cos. pi/8- isin. pi/8))^(8)=`

A

`1 + i`

B

1

C

`1- i`

D

-1

Text Solution

Verified by Experts

The correct Answer is:
D
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