Answer
(h)
Work Step by Step
Since$$\mathbf{r}=(2 \cos t) \mathbf{i}+(2 \sin t) \mathbf{k} $$
Then
$$x=2 \cos t,\ \ z=2 \sin t \Rightarrow x^{2}+z^{2}=4 $$
Hence, the graph is (h).
Thomas' Calculus 13th Edition
by Thomas Jr., George B.
Published by
Pearson
ISBN 10:
0-32187-896-5
ISBN 13:
978-0-32187-896-0
Chapter 16: Integrals and Vector Fields - Section 16.1 - Line Integrals - Exercises 16.1 - Page 943: 8
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