(1 point) Evaluate the integral cos(x) dx dy Jo Jy by reversing the order of integration. With order reversed, b cd cos(x2) dy dx, Ja Jc where a ,c= ,and d = Evaluating the integral.ycos(a2) dxdy - (1 point) using polar coordinates, evaluate the integral sin(x2 + y2)dA where R is the region 9 x2 ,2-64.