" ii) "quad sin78^(0)-sin18^(@)+cos132^(@)=0

sin 78^(@) - sin 18^(@) + cos 132^(@) =

the value of sin78^(@)-sin18^(@)+cos132^(@) is

(a)Show that sin 78^@-'sin 18^@ +cos 132^@ =0.

A=sin78^(@)-sin18^(@)+cos132^(@) B=cos12^(@)+cos84^(@)+cos132^(@)+cos156^(@) and C=(sin 75^(@)+sin 15^(@))/(cos 75^(@)+cos 15^(@)) then arrange in the ascending order

Find the value: sin 78^(@) - sin18^(@) + sin 30^(@) - sin42^(@)

cos18^@-sin18^@=

A.78^(@)-sin18^(@)+cos132^(@),B=cos12^(@)+cos84^(@)+cos132^(@)+cos156^(@) and C=(sin75^(@)+sin15^(@))/(cos75^(@)+cos15^(@)) then arrang in the ascending order