Let y: IR→ R be the parametrised curve Y(t) = (-2+cost, 1-sint, - cos t a) Show that y is unit speed. b) Find, at each point on the curve, the principal tangent T, principal normal N, binormal B, curvature, and torsion 7. Explain how the values of and r imply that the image of y is a circle. C 35

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section: Chapter Questions
Problem 18T
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Let y: RR³ be the parametrised curve
4
r(t) = (-2 + 1/ co
cos t, 1
sin t,
cos t
(a)
Show that y is unit speed.
(b)
Find, at each point on the curve, the principal tangent T, principal normal N, binormal B, curvature, and torsion T.
Explain how the values of and 7 imply that the image of y is a circle.
(c(
35
Transcribed Image Text:Let y: RR³ be the parametrised curve 4 r(t) = (-2 + 1/ co cos t, 1 sin t, cos t (a) Show that y is unit speed. (b) Find, at each point on the curve, the principal tangent T, principal normal N, binormal B, curvature, and torsion T. Explain how the values of and 7 imply that the image of y is a circle. (c( 35
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