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Find the value of sum(k=1)^10[sin((2pik)...

Find the value of `sum_(k=1)^10[sin((2pik)/(11))-icos((2pik)/(11))],wherei=sqrt(-1).`

A

i

B

1

C

-1

D

`-i`

Text Solution

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The correct Answer is:
D
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ARIHANT MATHS-COMPLEX NUMBERS-Exercise (Questions Asked In Previous 13 Years Exam)
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