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sin50^(@)-sin70^(@)+sin10^(@)...

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

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sin10^(@)+sin20^(@)+sin40^(@)+sin50^(@)-sin70^(@)-sin80^(@)=

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

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

Prove that sin10^(@)+sin20^(@)+sin40^(@)+sin50^(@)=sin70^(@)+sin80^(@) .

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

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

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

sin10^(@)sin50^(@)+sin50^(@)sin250^(@)+sin250^(@)sin10^(@)=-(3)/(4)

The value of sin 50^(@) - sin70^(@) + sin 10^(@) is equal to

Prove that sin 50^(@) - sin 70^(@) +sin 10^(@) =0 .