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The value of cos 20^(@) cos 40^(@)cos 60...

The value of `cos 20^(@) cos 40^(@)cos 60^(@) cos 80^(@)` is equal to .............. A) `1/16` B) `3/16` C) `(sqrt3)/(16)` D) `(sqrt3)/(32)`

A

`1/16`

B

`3/16`

C

`(sqrt3)/(16)`

D

`(sqrt3)/(32)`

Text Solution

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The correct Answer is:
A
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