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The value of cos""(pi)/(9)cos""(2pi)/(9)...

The value of `cos""(pi)/(9)cos""(2pi)/(9)cos""(3pi)/(9)cos""(4pi)/(9),` is

A

`1//8`

B

`1//16`

C

`1//64`

D

none of these

Text Solution

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The correct Answer is:
B
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