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If s (n) = cos ((n pi)/(10)), n = 1,2,3,...

If `s _(n) = cos ((n pi)/(10)), n = 1,2,3,...,` then the value of of `(s _(1) s _(2) ...s _(10))/( s _(1) + s _(2) + ....+ s _(10))` is equal to

A

`(1)/(sqrt2)`

B

`(sqrt3)/(2)`

C

`2 sqrt2`

D

`0`

Text Solution

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The correct Answer is:
D
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