mathematica gives strange result

*To*: mathgroup at smc.vnet.net*Subject*: [mg111245] mathematica gives strange result*From*: SNC <snc at irc.pl>*Date*: Sun, 25 Jul 2010 01:57:23 -0400 (EDT)

Im trying to find a solution to equation DSolve[-y''[x] + ((Csc[x])^2)*y[x] == y[x]/4, y[x], x] but mathematica gives me some strange result with expresion (-1+cos^2(x))^(1/4) in it. Why is that and how should i interpretate this?