Question: 1. Describe the surface given parametrically by r(s, t) = cos(s - t). y(s, t) = sin(s -t), z(s.t) =s+t Describe the two families of

1. Describe the surface given parametrically by r(s, t) = cos(s - t). y(s, t) = sin(s -t), z(s.t) =s+t Describe the two families of parametric curves on the surface-be as precise as possible

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