Definite IntegrationHard
Question
The value of integral 
xf(sin x)dx =
xf(sin x)dx =Options
A.
f(sin x)dx
f(sin x)dxB.π
f(sin x) dx
f(sin x) dxC.πf(cos x) dx
f(cos x) dxD.
f(cos x) dx
f(cos x) dxxf(sin x)dx =f(sin x)dxf(sin x) dxf(cos x) dxf(cos x) dx