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साबित करें कि sin20^(@)sin 40^(@) sin 6...

साबित करें कि ` sin20^(@)sin 40^(@) sin 60^(@) sin 80^(@) = (3)/( 16)`

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sin 20^(@) sin 40^(@) sin 60^(@) sin 80^(@) =(3)/(16)

Find sin20^(@)sin40^(@)sin60^(@)sin80^(@) .

sin20^(@)+sin40^(@)-sin80^(@)=

sin20^(@)sin40^(@)sin60^(@)sin80^(@)

sin 20^(@) * sin 40^(@) * sin 60^@ * sin 80^(@) =

sin 40^(@) - sin 80^(@)+ sin 160^(@) =

Prove that: sin20^(@)sin40^(0)sin60^(@)sin80^(@)=(3)/(16)

Prove that sin 20^(@) sin 40^(@) sin 60^(@) sin 80^(@)=3/(16) .

Prove that sin 20 ^(@) sin40^(@) sin 60^(@) sin 80^(@) = 3/16