\
The polar equation is
.
\
\
Squaring on each side.
\
\
\
Substitute
.
\
.
\
The rectangular equation is
.
\
\
.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=dd05f0f8b3532a559318ed4b57cce49d.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9a6e87ed4425f29013def291d5c99ff5.png\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=6392812750d6bb2420b3cb0a7720cfd3.png\")
![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3c6d9382026c6e04cf25ddb989e24ee2.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4571410cae3acc4d380e2cb7b70d4ff7.png\")
. ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=4571410cae3acc4d380e2cb7b70d4ff7.png\")
. ![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
.