document.write( "Question 236440: Find the exact value of tan(105°)
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Algebra.Com's Answer #174061 by Edwin McCravy(20055) $\"\"$ $\"About$

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Find the exact value of tan(105°)
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document.write( "We use the four facts:\r\n" );
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document.write( "1. \r\n" );
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document.write( "2. \r\n" );
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document.write( "3. \r\n" );
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document.write( "4. \r\n" );
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document.write( "So we let  and ,\r\n" );
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document.write( "then\r\n" );
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document.write( "Now we rationalize the denominator, \r\n" );
document.write( "in case your teacher wants you to do that:\r\n" );
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document.write( "[Now you should check that with your calculator.  \r\n" );
document.write( "For  you get the approximate \r\n" );
document.write( "value , and for \r\n" );
document.write( "you also get the approximate value ].\r\n" );
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document.write( "Edwin

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