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The value of sum(k=1) ^(10)( sin "" ( 2k...

The value of `sum_(k=1) ^(10)( sin "" ( 2kpi )/( 11) + i cos "" ( 2kpi )/(11))` is `:`

A

i

B

1

C

`-1`

D

`-i`

Text Solution

Verified by Experts

The correct Answer is:
D
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