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Posted: **Thu May 12, 2022 12:16 pm**

: 4 Let X S T S Cost S Sin T S 3 3 3 Os 1 27 A Find A Normal Vector At S 1 1 0 B Determine 1 (14.37 KiB) Viewed 29 times

4. Let X(s, t) = (s? cost, s sin t, s), -3 <3 <3, OS 1 < 27. (a) Find a normal vector at (s, 1) = (-1,0). (b) Determine the tangent plane at the point(1, 0, -1). (c) Find an equation for the image of X in the form F(x, y, z) = 0.