The equation is .
Consider .
Substitue in above equation. \ \
\ \ .
Thus, the polar equation is .
The polar equation is .
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..![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=eff8d60dcee12ff21c9675f05a51be27.png\")
in above equation. \ \
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\ \
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..![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
.