Question: Use Eq. (3) to calculate the curvature function (t). k(t) = |r'(t) x r(t)|| ||r'()||

Use Eq. (3) to calculate the curvature function κ(t).

k(t) = |r' (t) x r

r(t) = (4 cos t, t, 4 sin t)

k(t) = |r'(t) x r"(t)|| ||r'()||

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