document.write( "Question 985151: 2{[cos^2 20+cos^2 70)/(cosec^2 25-tan^2 65)}-tan 45 +tan13 tan 23 tan30 tan 67 tan 77 \n" ); document.write( "
Algebra.Com's Answer #606369 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Idk what those squiggles are, but it looks like a calculator problem. \n" ); document.write( " \n" ); document.write( " |