document.write( "Question 608410: Can you prove this identity:\r
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Algebra.Com's Answer #383284 by Edwin McCravy(20055) $\"\"$ $\"About$

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Can you prove this identity:\r
\n" ); document.write( "\n" ); document.write( " $\"sin%283x%29%2Fsin%28x%29\"$ - $\"cos%283x%29%2Fcos%28x%29\"$ = 2
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document.write( "Get an LCD on the left side of sin(x)·cos(x) \r\n" );
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document.write( "Use the identity sin(A)cos(B)-cos(A)sin(B) = sin(A-B) \r\n" );
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document.write( "Use the identity sin(2θ) = 2sin(θ)·cos(θ)\r\n" );
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document.write( "2\r\n" );
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document.write( "Edwin

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