Consider the area of the region bounded by functions sin x and cos x above the x-axis on the interval [0, pi/2]. a)Find the volume of the solid by rotating the above region about y = 2. Please set up the integrals only and don't evaluate them. b) Find the volume of the solid by rotating the above region about y = -2. Please set up the integrals only and don't evaluate them.

c) Find the volume of the solid by rotating the above region about x = 2. Please set up the integrals only and don't evaluate them. d)Find the volume of the solid by rotating the above region about x = - 2. Please set up the integrals only and don't evaluate them.