4. (10 points) It is known that the definite integral I = from 0 to 1 can represent the volume of the solid formed by revolving the region bounded by the curve y = cos x and the lines y = 0, x = 0, x = about the y-axis.
申論題內容
5. (10 points)
(a) State without proof the Fundamental Theorem of Calculus. (5 points)