document.write( "Question 41986: (tan(170) - tan(50)) / 1 + tan(170)*tan(50)\r
\n" ); document.write( "\n" ); document.write( "((the tangent of 170 degrees) minus (tangent of 50 degrees)) all divided by 1 plus (tangent of 170 degrees multiplied by tangent 50 degrees)
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Algebra.Com's Answer #27287 by abcdefg(37)\"\" \"About 
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(tan(170) - tan(50)) / 1 + tan(170)*tan(50)
\n" ); document.write( "2.7475-1.1918/ 1+(2.7475 X 1.1918)=
\n" ); document.write( "1.5557/4.2744705=
\n" ); document.write( ".3639
\n" ); document.write( "=tan20 <---answer
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