italianbella92
Nov 28, 2010, 11:55 AM
how do I solve (csc x-1)(csc x-1) = cot(2) x
chicky_girl_101
Dec 14, 2010, 07:51 PM
No idea what kind of sum is that?
Unknown008
Dec 22, 2010, 12:28 PM
Are you asking for a proof?
If so, is is not a true identity.