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| PAGE: 668 | SET: Exercises | PROBLEM: 47 |
The parametric equations are 
and 
.
Graph the parametric equations 
and 
with different values of 
.
Observe the graph:
Family of parametric curves are symmetric about 
-axis.
For 
, there is a cusp.
Loop will form for positive values of 
.
As increases, the size of the loop is also increases.
Graph:
Family of parametric curves are symmetric about 
-axis.
For 
, there is a cusp.
Loop will form for positive values of .
As increases, the size of the loop is also increases.
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