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

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

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

For A in R , prove that sin20^(@)sin40^(@)sin60^(@)sin80^(@)=3/16

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

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

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

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

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

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