Prove that `sin 20^0 sin 40^0 sin 80^0 = sqrt(3)/8`.

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

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

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

sin20sin40sin80

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

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

Prove that: sin50^(@)-sin70^(@)+sin10^(@)=0

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: sin12^(0)sin48^(0)sin54^(@)=(1)/(8)

Prove that: sin10^(0)sin30^(0)sin50^(@)sin70^(@)=(1)/(16)