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The value of cos((2pi)/(15))cos((4pi)/(1...

The value of `cos((2pi)/(15))cos((4pi)/(15))cos((8pi)/(15))cos((14pi)/(15)),` is

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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Knowledge Check

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

    A
    `1/2`
    B
    `1/4`
    C
    `1/8`
    D
    `1/16`

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