document.write( "Question 861062: If sec 0< 0 and tan 0>0, in which quadrant does 0 lie? Explain your reasoning \n" ); document.write( "
Algebra.Com's Answer #518906 by lwsshak3(11628) ![]() You can put this solution on YOUR website! If sec 0< 0 and tan 0>0, in which quadrant does 0 lie? Explain your reasoning \n" ); document.write( "use x for 0 \n" ); document.write( "tanx=sinx/cosx \n" ); document.write( "tanx must be in either quadrant I or quadrant III in which both sinx and cosx and their reciprocals have the same sign. secx=1/cosx<0 in quadrant III, but not in quadrant I, so x must be in quadrant III \n" ); document.write( " |