Could you please help me with this ONLY B

Set up, but do not evaluate, an integral for the volume of the solid obtained by rotating the region bounded by the given curves about the specified axis (a) y - r + 4 2 - 0. r = 1, y = 0 about the y - 1 (Use disk method) (b) y = sin(x) y = 0 where OK ra 7 about the y - -5 (Use shell method). 094