Prove that sin 10° + sin 20° + sin 40° + sin 50°=sin 70° + sin 80

Prove that : sin 10^(@) + sin 20^(@) + sin 40^(@) + sin 50^(@) = sin 70^(@) + sin 80^(@).

Prove the following : sin 10^@ + sin 20^@ + sin 40^@ + sin 50^@ = sin 70^@+ sin 80^@ .

Prove that sin10^(@) + sin20^(@) + sin 40^(@) + sin 50^(@) = sin 70^(@) + sin 80^(@)

sin 10^(@) + sin 20^(@) + sin 40^(@) + sin 50^(@) - sin 70^(@) - sin 80^(@) =

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

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

"sin" 10^(@)+"sin" 20^(@)+"sin" 40^(@)+"sin" 50^(@)="sin" 70^(@)+"sin" 80^(@) .

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

What is the value ofLsin 34Â^@ cos 236 -sin 56Â^@ sin 124Â^@COs 28Â^@ cos 88Â^@+ cos 178Â^@ sin 208Â^@(a) -2124(b) -1(c) 2(90(d) 1