document.write( "Question 1119696: Find the Cartesian equation of r = asin3θ \n" ); document.write( "

Algebra.Com's Answer #735485 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "We use the identity for sin(3q):\r\n" );
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document.write( "Then use this picture:\r\n" );
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document.write( "Note: When trig ratios are involved, leave r as it is, and\r\n" );
document.write( "wait until last to substitute for r:\r\n" );
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document.write( "Multiply through by rł\r\n" );
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document.write( "Finally substitute for r:\r\n" );
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document.write( "Substituting in\r\n" );
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document.write( "We get\r\n" );
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document.write( "Edwin

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