document.write( "Question 814471: determine the exact value(s) of tantheta if costheta= -1/2 \n" ); document.write( "
Algebra.Com's Answer #490327 by Alan3354(69443)\"\" \"About 
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determine the exact value(s) of tantheta if costheta= -1/2
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\n" ); document.write( "\"sin%28t%29+=+sqrt%281+-+cos%5E2%28t%29%29\"
\n" ); document.write( "tan = sin/cos
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