Parameterize the curve r(t) = (2+ cos 3t, 3 – sin 3t, 4t) using arc length, s, as a parameter. Use t = 0 as the reference point.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 20T
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3. Parameterize the curve r(t) = (2+ cos 3t, 3 – sin 3t, 4t) using arc length, s,
as a parameter. Use t = 0 as the reference point.
Transcribed Image Text:3. Parameterize the curve r(t) = (2+ cos 3t, 3 – sin 3t, 4t) using arc length, s, as a parameter. Use t = 0 as the reference point.
Expert Solution
Step 1

Given the curve rt=2+cos3t, 3-sin3t, 4t---1.

Differentiating, we get

vt=r't=-3sin3t, -3cos3t,4vt=9sin23t+9cos23t+16=5.

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