Let ~r(t) = hsint - tcost,t,cost + tsinti. (a) Find the unit tangent to this curve when t = n/2.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter5: Graphs And The Derivative
Section5.1: Increasing And Decreasing Functions
Problem 44E: Where is the function defined by f(x)=ex increasing? Decreasing? Where is the tangent line...
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Let ~r(t) = hsint - tcost,t',cost + tsinti.
(a) Find the unit tangent to this curve when t = n/2.
Transcribed Image Text:Let ~r(t) = hsint - tcost,t',cost + tsinti. (a) Find the unit tangent to this curve when t = n/2.
(b) Find the arc
length of this curve from t =0 to t = 3.
Transcribed Image Text:(b) Find the arc length of this curve from t =0 to t = 3.
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