document.write( "Question 304851: A rectangular equation equivalent to r= sin(theta) is:\r
\n" ); document.write( "\n" ); document.write( "x^2+y^2=y
\n" ); document.write( "x^2+y^2=x
\n" ); document.write( "x^2-y^2=y
\n" ); document.write( "x^2-y^2=x
\n" ); document.write( "None\r
\n" ); document.write( "\n" ); document.write( "Any help is very much appreciated.
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Algebra.Com's Answer #218299 by themathtutor2009(81)\"\" \"About 
You can put this solution on YOUR website!
\"x%5E2%2By%5E2=r%5E2\" and \"y=r%2Asin%28theta%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"r=sin%28theta%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"r%2Ar=r%2Asin%28theta%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"r%5E2=r%2Asin%28theta%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=r%2Asin%28theta%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"x%5E2%2By%5E2=y\"\r
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\n" ); document.write( "\n" ); document.write( "Answer: A
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