document.write( "Question 310786: What is the exact value of tangent(-510)? \n" ); document.write( "
Algebra.Com's Answer #222260 by Alan3354(69443)\"\" \"About 
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tan(-510) = tan(-510 + 720) = tan(210)
\n" ); document.write( "tan is + in the 3rd quadrant
\n" ); document.write( "= tan(30)
\n" ); document.write( "= sqrt(3)/3
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