document.write( "Question 69609: How do I go about finding the exact value of tan(pi/4-pi/3)? \n" ); document.write( "

Algebra.Com's Answer #49580 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "How do I go about finding the exact value\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 you have to know that\r\n" );
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document.write( " and that \r\n" );
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document.write( "So substitute these:\r\n" );
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document.write( "or\r\n" );
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document.write( "Your teacher may accept it that way, but s/he \r\n" );
document.write( "probably would prefer that you rationalize the \r\n" );
document.write( "denominator:\r\n" );
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document.write( "Factor 2 out of the numerator\r\n" );
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document.write( "Cancel the  in the bottom into the\r\n" );
document.write( " in the top, getting -1 in the top:\r\n" );
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document.write( "Remove the parentheses:\r\n" );
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document.write( "or you can save one sign by writing the\r\n" );
document.write( "second term first\r\n" );
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document.write( "Edwin

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