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cos""(2pi)/(15)cos""(4pi)/(15)cos""(8pi)...

`cos""(2pi)/(15)cos""(4pi)/(15)cos""(8pi)/(15)cos""(16pi)/(15)=(1)/(16)`

A

1

B

`1//2`

C

`1//4`

D

`1//16`

Text Solution

Verified by Experts

The correct Answer is:
D
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