" 92."sin10^(@)sin50^(@)sin60^(@)sin70^(@)=(sqrt(3))/(16)

(i) sin10^(@)sin50^(@)sin70^(@)

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

sin50^(@)-sin70^(@)+sin10^(@)=?

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

sin10^(@)sin30^(@)sin50^(@)sin70^(@)sin90^(@)=

value of sin10^(@)sin30^(@)sin50^(@)sin70^(@)

Find 1-sin10^(@)sin50^(@)sin70^(@) .

Prove the following: (i) "sin" 10^(@) sin 50^(@) sin 70^(@)=(1)/(8) (ii) "sin" 10^(@) sin 30^(@) sin 50^(@) sin 70^(@)=(1)/(16)