differentiate xcosx using product rule Share with your friends Share 0 Rajan Bhateja answered this Solution : Let y = x cos xDifferentiating both sides w.r.t, x, we get dydx = x ×ddxcos x + cos x × ddxx⇒dydx = x ×- sin x + cos x × 1⇒dydx = - x sin x + cos x 0 View Full Answer