Answer
True
Work Step by Step
True. The velocity vector of $ r(t)$ is given by the first derivative of $ r(t)$ with respect to $ t $ and the tangent vector is defined similarly.
Calculus (3rd Edition)
by Rogawski, Jon; Adams, Colin
Published by
W. H. Freeman
ISBN 10:
1464125260
ISBN 13:
978-1-46412-526-3
Chapter 14 - Calculus of Vector-Valued Functions - 14.2 Calculus of Vector-Valued Functions - Preliminary Questions - Page 719: 4
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