`sin3 0^(@)+sin6 0^(@)+sin9 0^(@)+sin12 0^(@)`

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(cos20^(0)+8sin70^(0)sin50^(@)sin10^(0))/(sin^(2)80^(@)) is equal to

prove that sin10^(0)+sin20^(0)+sin40^(@)+sin50^(0)=sin70^(0)+sin80^(@)

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

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

sin12^(0)sin48^(@)sin54^(@)=

The value of sin^(2) 46^(0) + sin^(2) 14^(0) + sin 46^(0) sin 14^(0) =

3sin6^(@)-4sin^(3)6^(0)=

(sin8^(0)*sin52^(0)*sin68^(@))/(sin24^(0)) is equal to 12-1(1)/(4)

Prove that: \ sin 10^0sin 50^0sin 60^0sin 70^0=(sqrt(3))/(16)