1. The problem statement, all variables and given/known data Simplify: 2csc^2 - csc^4 + cot^4 2. Relevant equations 3. The attempt at a solution 2(1/sin^2) - 1/sin^4 + cos^4/sin^4 So here, i figured that if i re-write them, that maybe it will leave me more options, but I dont see anything that will cancel out. Then i saw that you can re-write sin^2 as 1 - cos^2, so..... 2(1/1 - cos^2) - 1/sin^4 + cos^4/sin^4 I now saw or at least thought that the portion of 1 - cos^2 could cancel out one of te cos^2 from the cot^4 Now we have (assuming I am correct so far.) 2(1/-1) or -2 -2 - 1/sin^4 + cos^2/sin^4 Well that is where I couldnt do anymore, but that is most liekly caused by me doing it wrong.