3g f x 2 cos x 0 sxs 4 evaluate the left Riemann sum with n 6 taking the sample points to be left endpoints Round your answer to six decimal places x What does the Riemann sum represent The Riemann sum represents the net area of the rectangles with respect to the x axis Illustrate with a diagram y 0 24 100 744 3x 8 151 00 24 15100 3 RIN tisto 8 3x 4 08 2 00 4 2 3 15 00 5x 3x