To illustrate that the length of a smooth space curve does not depend on the parameterization used to compute it, calculate the length of one turn of the helix with the following parameterizations. a. r(t) = (cos 4t)i + (sin 4t)j + 4tk, 0

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To illustrate that the length of a smooth space curve does not depend on the
parameterization used to compute it, calculate the length of one turn of the
helix with the following parameterizations.
a. r(t) = (cos 4t)i + (sin 4t)j + 4tk, 0sts,
1 = 27
b. r(t) = cos
i+ sin
2
이, 0sts 4T
%3D
+
c. (t) = (cos t)i - (sin t)j – tk, - 2nsts0
Note that the helix shown to the right is just one example of such a helix, and
does not exactly correspond to the parametrizations in parts a, b, or c.
(1, 0,0)
1 = 0
Transcribed Image Text:To illustrate that the length of a smooth space curve does not depend on the parameterization used to compute it, calculate the length of one turn of the helix with the following parameterizations. a. r(t) = (cos 4t)i + (sin 4t)j + 4tk, 0sts, 1 = 27 b. r(t) = cos i+ sin 2 이, 0sts 4T %3D + c. (t) = (cos t)i - (sin t)j – tk, - 2nsts0 Note that the helix shown to the right is just one example of such a helix, and does not exactly correspond to the parametrizations in parts a, b, or c. (1, 0,0) 1 = 0
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