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" (c) "sin20^(@)*sin40^(@)*sin80^(@)=(sq...

" (c) "sin20^(@)*sin40^(@)*sin80^(@)=(sqrt(3))/(8)

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Prove that: sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

Prove that sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

Prove that sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

Prove that,sin20^(@)sin40^(@)sin80^(@)=(sqrt(3))/(8)

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

Prove that: i) sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3/16 ii) sin10^(@)sin50^(@)sin60^(@)sin70^(@)=sqrt(3)/16 iii) sin20^(@)sin40^(@)sin80^(@)=sqrt(3)/8

Prove that: i) sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3/16 ii) sin10^(@)sin50^(@)sin60^(@)sin70^(@)=sqrt(3)/16 iii) sin20^(@)sin40^(@)sin80^(@)=sqrt(3)/8

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

Prove that 8 sin20^(@) sin40^(@) sin80^(@) = sqrt3