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[" व्र) सिद्ध कीजिए कि - "],[qquad sin20...

[" व्र) सिद्ध कीजिए कि - "],[qquad sin20^(@)*sin40^(@)*sin40^(@)*sin60^(@)*sin80^(@)=(3)/(16)]

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

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

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

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

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

sin40^(@)-sin200^(@)+sin280^(@)=

sin40^(@)-sin200^(@)+sin280^(@)=

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

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