Question

sin(x-y) =1/2 general solution

Answer 1

sin(x-y)=sinxcosy-cosxsiny=1\2
             2sinxcosy-2cosxsiny =1 ans
             

Answer 2

    sin(x-y)=1/2
or,sin(x-y)=sin 30°
or,x-y = 30°