In Exercises 1–8, find the curve’s unit
Chapter 12, Problem 8E(choose chapter or problem)
In Exercises \(1–8\), find the curve’s unit tangent vector. Also, find the length of the indicated portion of the curve.
\(r(t)=(t \sin t+\cos t) i+(t \cos t-\sin t) j, \quad \sqrt{2} \leq t \leq 2\)
Equation Transcription:
Text Transcription:
1 - 8
r(t) = (t sin t + cos t)i + (t cos t - sin t)j, sqrt 2 leq t leq 2
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