Pre-Calculus, 9th edition
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21
| PAGE: 580 | SET: Exercises | PROBLEM: 21 |
Please look in your text book for this problem Statement
The polar equation is 
.
To transform the equation to rectanglular coordinates, multiply each side by 
.
.
Apply formula : 
.
.
Apply formula : 
.
Add 
to each side.
Graph :
(1) Draw the polar coordinate plane.
(2) Graph the equation 
.
Graph of :
.gif)
Observe the graph :
,the equation is a circle, with radius , and center 
.
,the equation is a circle, with radius , and center .
Graph of :
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