document.write( "Question 665090: tan(3x)=-1 x is greater than 0 degrees and x is smaller than 180 degrees \n" ); document.write( "
Algebra.Com's Answer #413663 by lwsshak3(11628)\"\" \"About 
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tan(3x)=-1 [0,180º]
\n" ); document.write( "3x=135º, 315º(in quadrants II and IV where tan<0)
\n" ); document.write( "x=45º, 105º
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