document.write( "Question 839790: If tan 0=2 with 0 in quadrant 111 , find sec 0? \n" ); document.write( "
Algebra.Com's Answer #505852 by stanbon(75887) ![]() You can put this solution on YOUR website! tan(t)=2 with t in quadrant 111 , find sec(t)0? \n" ); document.write( "-------- \n" ); document.write( "Note: Both x and y are negative in QIII \n" ); document.write( "Since tan = y/x, y = -2 and x = -1 \n" ); document.write( "--------- \n" ); document.write( "r = sqrt(2^2+1^2] = sqrt(5) \n" ); document.write( "-------- \n" ); document.write( "Your Problem:: \n" ); document.write( "sec(t) = r/x = sqrt(5)/-1 = -sqrt(5) \n" ); document.write( "--------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "================== \n" ); document.write( " \n" ); document.write( " |