6. Find the volume of the solid formed when revolving the region bounded by f (x) = cos x and g (x) = sinx for g S x 3% about the line y = 6. Graph the region, identify the outside radius and inside radius on the graph, set up the integral and use a graphing calculator to evaluate. (10 points) 7. Find the point(s) on the curve where the tangent line is horizontal. Then, nd the point(s) on the curve where the tangent line is vertical. Show all world! (10 points) x = 1+ cos t . ,for 051525 y=ls1nt