Let S be the solid obtained by rotating the region shown in the figure about the y-axis. a=8 b = 4 y = a sin(bx) 0 x VTT/b Sketch a typical approximating shell. (Do this on paper. Your instructor may ask you to turn in this graph.) Find Its circumference c and height h. c(x) = h(x) = Use shells to find the volume V of S. V =

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