Finding a Tangent Plane In Exercises 33, 34, 35, and 36, find an equation of the tangent plane to the surface represented by the vector-valued function at the given point. 33. r (u, v) = 3 cos v cos ui + 2 cos v sin uj + 4 sin vk, (0, v3, 2) 2 (0, /3, 2) 2 -2 34. r (u, v) = ui + vj + Vuuk, (1, 1, 1) N - 2 1 (1, 1, 1) 2 2