document.write( "Question 858668: find a rectangular form of the equation r=5cost \n" ); document.write( "
Algebra.Com's Answer #517485 by tommyt3rd(5050)\"\" \"About 
You can put this solution on YOUR website!
\"r=5cost\"
\n" ); document.write( "\"r%2Ar=5rcost\"
\n" ); document.write( "\"x%5E2%2By%5E2=5x\"
\n" ); document.write( "
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