document.write( "Question 924536: 1+ tanx / 1- tanx=?\r
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Algebra.Com's Answer #560953 by lwsshak3(11628)\"\" \"About 
You can put this solution on YOUR website!
{1+ tanx / 1- tanx=?
\n" ); document.write( "Ans)tan(45+x)
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\n" ); document.write( "sin(45+x)=sin45cosx+cos45sinx=(√2/2)cosx+(√2/2)sinx=(√2/2)(cosx+sinx)
\n" ); document.write( "cos(45+x)=cos45cosx-sin45sinx=(√2/2)cosx-(√2/2)sinx=(√2/2)(cosx-sinx)
\n" ); document.write( "tan(45+x)=sin(45+x)/cos(45+x)=\"%28cosx%2Bsinx%29%2F%28cosx-sinx%29\"
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\n" ); document.write( "\"%281%2Btanx%29%2F%281-tanx%29=%28cosx%2Bsinx%29%2F%28cosx-sinx%29=tan%2845-x%29\"
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