document.write( "Question 206557: find exact value of CSC 210 degrees without using a calculator or the unit circle? \n" ); document.write( "
Algebra.Com's Answer #156111 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! find exact value of CSC 210 \n" ); document.write( "--- \n" ); document.write( "210 is 30 degrees in the 3rd quadrant. \n" ); document.write( "----- \n" ); document.write( "since sin(30)=1/2, csc(30) is 2 \n" ); document.write( "---- \n" ); document.write( "But the sin is negative in the 3rd quadrant. \n" ); document.write( "So csc(120) = -2 \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |