The value of [frac{1-cos(frac{Pi}{10})+i...

The value of `[frac{1-cos(frac{Pi}{10})+isin(frac{Pi}{10})}{1-cos(frac{Pi}{10})-isin(frac{Pi}{10})]]^10 = `

A

A.0

B

B.-1

C

C.1

D

D.2

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