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Find a parametric representation for the surface.
The part of the sphere
x2 + y2 + z2 = 64
that lies between the planes
z = â4 and z = 4.
(Enter your answer as a comma-separated list of equations. Let x, y, and z be in terms of θ and/or Ï.)
(where â4 < z < 4)
The part of the cylinder
y2 + z2 = 25
that lies between the planes x = 0 and x = 5. (Enter your answer as a comma-separated list of equations. Let x, y, and z be in terms of u and/or v.)