document.write( "Question 1170288: 4. prove that cos x /1-secx = -cot x(1+cosx) \n" ); document.write( "
Algebra.Com's Answer #795152 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Impossible to prove, since it is not true. \n" ); document.write( "It might be helpful when you ask for help with a problem like this for you to make sure you type the equation correctly. \n" ); document.write( " \n" ); document.write( " |