document.write( "Question 752229: if A lies in the second quadrant and 3tan A +4=0 then the value of 2 cot A-5 cos A+sin A is equal to? \n" ); document.write( "
Algebra.Com's Answer #457723 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! if A lies in the second quadrant and 3tan A +4=0 then the value of 2 cot A-5 cos A+sin A is equal to? \n" ); document.write( "*** \n" ); document.write( "3tanA+4=0 \n" ); document.write( "tanA=-4/3 \n" ); document.write( "Working with a 3-4-5 reference right triangle in Q2 \n" ); document.write( "cotA=-3/4 \n" ); document.write( "cosA=-3/5 \n" ); document.write( "sinA=4/5 \n" ); document.write( ".. \n" ); document.write( "2 cot A-5 cos A+sin A \n" ); document.write( "=2(-3/4)-5(-3/5)+4/5 \n" ); document.write( "=-6/4+3+4/5 \n" ); document.write( "=-3/2+3+4/5 \n" ); document.write( "=-15/10+30/10+8/10 \n" ); document.write( "=23/10 \n" ); document.write( " |