Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. r(t) = (2t sin t+ 2 cos t)i + (- 2t cos t+ 2 sin t)j V2 sts2

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter11: Topics From Analytic Geometry
Section11.4: Plane Curves And Parametric Equations
Problem 33E
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Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve.
r(t) = (2t sin t+ 2 cos t)i + (- 2t cos t+ 2 sin t)j v2 sts2
The curve's unit tangent vector is ( Di+ ( Di+ ( Dk.
Transcribed Image Text:Find the curve's unit tangent vector. Also, find the length of the indicated portion of the curve. r(t) = (2t sin t+ 2 cos t)i + (- 2t cos t+ 2 sin t)j v2 sts2 The curve's unit tangent vector is ( Di+ ( Di+ ( Dk.
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