- (D) The enclosed region, S, is bounded by y = sec x, the y-axis, and y = 4. It is to be rotated
about the y-axis.
Use disks; then ΔV = πR^2 H = π(arc sec y)^2 Δy. Using the calculator, we find that
dmanu
(dmanu)
#1
Use disks; then ΔV = πR^2 H = π(arc sec y)^2 Δy. Using the calculator, we find that