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

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

A

`1/2`

B

`1/4`

C

`1/8`

D

`1/16`

Text Solution

Verified by Experts

The correct Answer is:
D
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