document.write( "Question 965160: Having trouble proving the following half angle identity: csc^2 x/2 = 2 sec X/ sec -1. If you could please explain the steps. I started working on the left side, used the sin a/2 identity formula and flipped it for CSC. \r
\n" ); document.write( "\n" ); document.write( "Csc^2x/2 = 2/1-cos X. This is where I got stuck. Not sure if I'm on the right track. \r
\n" ); document.write( "\n" ); document.write( "Thank you in advance for your help!
\n" ); document.write( "

Algebra.Com's Answer #589904 by t0hierry(194)\"\" \"About 
You can put this solution on YOUR website!
csc^2 x/2 = 1/sin^2(x/2) = 2/(1-cosx)
\n" ); document.write( "lol I'm stuck too.
\n" ); document.write( "
\n" );