document.write( "Question 69605: I am trying to use the addition and subtraction formulas to simplify sin(2pi-x). I am not sure where to begin. \n" ); document.write( "

Algebra.Com's Answer #49579 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

I am trying to use the addition and subtraction \r\n" );
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document.write( "I am not sure where to begin.\r\n" );
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document.write( "You have to know the formula\r\n" );
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document.write( "Substitute  for A and  for B\r\n" );
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document.write( "Now use the fact that \r\n" );
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document.write( "Substituting those:\r\n" );
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document.write( " is just 0 and we can erase the 1:\r\n" );
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document.write( "Edwin

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