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((1 + "cos"(pi)/(8) -i "sin"(pi)/(8))/(1...

`((1 + "cos"(pi)/(8) -i "sin"(pi)/(8))/(1 + "cos"(pi)/(8) + i "sin" (pi)/(8)))^(12)=`

A

`-1`

B

i

C

`-i`

D

2

Text Solution

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The correct Answer is:
B
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