document.write( "Question 788340: If tan x = 2.4, what is cos x \n" ); document.write( "
Algebra.Com's Answer #478481 by Alan3354(69443) You can put this solution on YOUR website! If tan x = 2.4, what is cos x \n" ); document.write( "------------ \n" ); document.write( "sec^2 = tan^2 + 1 = 6.76 \n" ); document.write( "sec = 2.6 \n" ); document.write( "cos = 1/(2.6) \n" ); document.write( "or -1/(2.6), the quadrant wasn't given. \n" ); document.write( " \n" ); document.write( " |