document.write( "Question 806712: Find all five other trigonometric ratios if sinx=-3/7 and tanx>0 \n" ); document.write( "
Algebra.Com's Answer #486053 by lwsshak3(11628) ![]() You can put this solution on YOUR website! Find all five other trigonometric ratios if sinx=-3/7 and tanx>0 \n" ); document.write( "*** \n" ); document.write( "Reference angle x is in quadrant II where sin<0, cos<0, tan>0 \n" ); document.write( "cosx=-√(1-sin^2x)=-√(1-9/49)=-√(40/49)=-√40/7 \n" ); document.write( "sinx=-3/7 \n" ); document.write( "cosx=-√40/7 \n" ); document.write( "tanx=sinx/cosx=3/√40=(3√40)/40 \n" ); document.write( "cscx=-7/3 \n" ); document.write( "secx=-7/√40=-(7√40)/40 \n" ); document.write( "cotx=√40/3 \n" ); document.write( " |