document.write( "Question 1160410: if cos theta = -18/17 and theta is in quadrant 3, cos 2theta= ? and tan 2 theta=? \n" ); document.write( "
Algebra.Com's Answer #783681 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! if cos theta = -18/17 \n" ); document.write( "=========== \n" ); document.write( "No real number value for theta. \n" ); document.write( "|-18/17| > 1 \n" ); document.write( " \n" ); document.write( " |