SOLUTION: 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

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.
Csc^2x/2 = 2/1-cos X. This is where I got stuck. Not sure if I'm on the right track.
Thank you in advance for your help!
Found 2 solutions by t0hierry, lwsshak3:
Answer by t0hierry(194) (Show Source): You can put this solution on YOUR website!
csc^2 x/2 = 1/sin^2(x/2) = 2/(1-cosx)
lol I'm stuck too.
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
Prove:
csc^2 x/2 = 2 sec X/ sec -1
start with right side:

verified: right side=left side
notes:

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