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The value of 2 sin (pi/8) sin((2pi)/8...

The value of
`2 sin (pi/8) sin((2pi)/8) sin((3pi)/8) sin ((5pi)/8) sin ((6pi)/8) sin((7pi)/8)` is :

A

`1/(4sqrt2)`

B

`1/4`

C

`1/8`

D

`1/8sqrt2`

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  • The value of sin""(pi)/(7)sin""(2pi)/(7)sin""(3pi)/(7), is

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    `sqrt2/32`

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