Posted by Quetzally on .
HELP!!!! I don't know how to do the trig identity with this problem
csc^4 xcot^4x= Csx^2 x + cot^2x

Trig 
Steve,
recall that a^2  b^2 = (a+b)(ab)
csc^4  cot^4 = (csc^2  cot^2)(csc^2 + cot^2)
if you recall that csc^2 = 1 + cot^2 the rest is downhill. . .