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(1 point) Given the curve R.(t) = 2 sin(t) i + 2 cos(t) j + 3k (1) Find R' (t) = (2) Find R (t)

(1 point) Given the curve R.(t) = 2 sin(t) i + 2 cos(t) j + 3k (1) Find R' (t) = (2) Find R" (t) = (3) Find the curvature k =

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