= ∫(0→2) (sinx)/x * [y]:(x/2→x) dx
= ∫(0→2) (sinx)/x * x/2 dx
= ( 1/2)∫(0→2) sinx dx
= (- 1/2)[cosx]:(0→2)
= (- 1/2)(cos(2) - 1)
= ( 1 - cos(2))/2
= sin? ( 1)