document.write( "Question 419227: cosxsinx-sinx=0\r
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Algebra.Com's Answer #293223 by Edwin McCravy(20064)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "cos(x)sin(x) - sin(x) = 0\r\n" );
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document.write( "You're not sure how to factor out sin(x)? OK, let's look at this\r\n" );
document.write( "bit of algebra:\r\n" );
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document.write( "                               AB - B = 0\r\n" );
document.write( "                              AB - 1B = 0\r\n" );
document.write( "                             B(A - 1) = 0\r\n" );
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document.write( "Do you understand that? I put a green 1 beside the red B. Then I factored\r\n" );
document.write( "out the red B putting the green A and the green 1 inside the parentheses.\r\n" );
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document.write( "OK, I will use the exact same color scheme, and do the exact same thing:\r\n" );
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document.write( "                cos(x)sin(x) - sin(x) = 0\r\n" );
document.write( "               cos(x)sin(x) - 1sin(x) = 0\r\n" );
document.write( "                   sin(x)(cos(x) - 1) = 0\r\n" );
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document.write( "Do you understand that? I put a green 1 beside the red sin(x). Then I factored\r\n" );
document.write( "out the red sin(x) putting the green cos(x) and the green 1 inside the parentheses.\r\n" );
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document.write( "Can you go from there? If not post again.  If and when you post again,\r\n" );
document.write( "be sure to tell us whether the answer should be given in degrees or \r\n" );
document.write( "radians (in terms of p), and whether you want\r\n" );
document.write( "all possible solutions or just the solutions between 0 and 2p or 0 and 360°. \r\n" );
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document.write( "Edwin
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