document.write( "Question 969742: exact value of
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Algebra.Com's Answer #592514 by Edwin McCravy(20060) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "You need to know three things:\r\n" );
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document.write( "1. The formula you need is:\r\n" );
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document.write( "Substitute  for  and  for  in that\r\n" );
document.write( "formula.\r\n" );
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document.write( "2. You need to know how to add the two fractions you'll have in the right side:\r\n" );
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document.write( " by getting a common denominator of 12, and reduce it.\r\n" );
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document.write( "3. Finally you need to know the trig ratios for the special angles:\r\n" );
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document.write( "   |  p/6 |  p/4 | p/3  \r\n" );
document.write( "----------------------      \r\n" );
document.write( "sin|  1/2 | √2/2 |√3/2    \r\n" );
document.write( "---|------|------|----\r\n" );
document.write( "cos| √3/2 | √2/2 | 1/2\r\n" );
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document.write( "Good luck.  Need any more help?  If so, ask me in the thank-you note form below.\r\n" );
document.write( "I'll get back to you.\r\n" );
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document.write( "Edwin

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