Precalculus (6th Edition) Blitzer

Published by Pearson
ISBN 10: 0-13446-914-3
ISBN 13: 978-0-13446-914-0

Chapter 6 - Section 6.3 - Polar Coordinates - Exercise Set - Page 744: 105


Makes sense

Work Step by Step

After plotting $\left( 0,-4 \right)$, it is not required to undertake any further process or calculation to determine the polar coordinate as it becomes clear that at $x=0$, r becomes equal to $\left| y \right|$ and $\theta ={{90}^{{}^\circ }}$. Hence, the given statement makes sense.
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