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सिद्ध कीजिए की: sin 20^(@) sin40^(@) si...

सिद्ध कीजिए की: sin 20^(@) sin40^(@) sin 60^(@) sin 80^(@) =(3)/(16) | 11 | त्रिकोणमितीय फलन ...

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

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

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

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

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

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

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

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