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cos 10^(@) cos 30^(@) cos 50^(@) cos 70^...

`cos 10^(@) cos 30^(@) cos 50^(@) cos 70^(@) = `

A

`3//2`

B

`3//4`

C

`3//8`

D

`3//16`

Text Solution

Verified by Experts

The correct Answer is:
D
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