Can someone help me with solving this identity?

cotx = cscx + 1
----- -----------
cscx - 1 cotx

I see what it is?:



Multiply the top and bottom of the left side by



It will transform into the right side.


Does this even matter? If you're not going to respond back to make sure I have the correct set up or anything, why bother at all.?.

I appreciate your work galactus.

Maybe I am being petty, but it gripes me when someone posts a problem, then never responds back whatsoever. What's the point? In this one, the post got garbled and they didn't even bother to try and straighten it out.