document.write( "Question 695593: If 90 degrees is less than theta is less than 180 degrees, express cos theta in terms of tan theta. \n" ); document.write( "
Algebra.Com's Answer #428643 by stanbon(75887)    ![]() You can put this solution on YOUR website! If 90 degrees is less than theta is less than 180 degrees, express cos theta in terms of tan theta. \n" ); document.write( "----- \n" ); document.write( "cos = 1/sec = 1/sqrt(1+tan^2) \n" ); document.write( "----------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "  |