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The value of underset(k=1) overset(13...

The value of
`underset(k=1) overset(13)Sigma(1)/(sin ((pi)/(4)+(k-1)pi)/(6)sin((pi)/(4)+(kpi)/(6))` is equal to

A

`3-sqrt(3)`

B

`2(3-sqrt(3))`

C

`2(sqrt(3)-1)`

D

`2(2+sqrt(3))`

Text Solution

Verified by Experts

The correct Answer is:
C
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