### Home > PC > Chapter 10 > Lesson 10.2.3 > Problem10-98

10-98.

$\frac{\textit{x}}{3}=cos \; \textit{t} \; \; \; \frac{\textit{y}}{3}=sin \; \textit{t}$

$sin^2 \; \textit{t}+cos^2 \; \textit{t}=1$

Imagine the z-axis as coming out of the paper on your desk vertically.What would it look like if you plotted the points of a circle on a graph,but moved veritcally out of your paper while doing so?