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Algebra & Trigonometry with Analytic Geometry

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter3: Functions And Graphs

Section3.2: Graphs Of Equations

Problem 44E

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1.5

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Consider the helix r(t) = (cos(−2t), sin(–2t), 1t). Compute, at t = 7:
A. The unit tangent vector T = (-sqrt 3/ sqrt !
1/sqrt 5
"
B. The unit normal vector N = (
C. The unit binormal vector B = (
D. The curvature K =
"
-1/ sqrt 5
sqrt 3/2
"
"

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