The curve shown in Figure 5(B) is parametrized by r(t) = (2 cos t, 2 sin t,
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The curve shown in Figure 5(B) is parametrized by r(t) = (2 cos t, 2 sin t, cos(19t)) for 0 ≤ t ≤ 2π. Approximate its length.
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X' + 2 2 Z (B)
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