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सिद्ध कीजिए की: sin 20^(@) sin 40^(@)...

सिद्ध कीजिए की:
` sin 20^(@) sin 40^(@) sin 80^(@) sin 90^(@) =(sqrt( 3))/( 8)`

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

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

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

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

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

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

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

Prove that sin 20^(@) sin 40^(@) sin 80^(@) = (sqrt3)/(8).

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