lst=[["(a+b*csc(d*x+c)^2)^4","x",1],
["(a+b*csc(d*x+c)^2)^3","x",1],
["(a+b*csc(d*x+c)^2)^2","x",1],
["a+b*csc(d*x+c)^2","x",1],
["1/(a+b*csc(d*x+c)^2)","x",1],
["1/(a+b*csc(d*x+c)^2)^2","x",1],
["1/(a+b*csc(d*x+c)^2)^3","x",1],
["1/(a+b*csc(d*x+c)^2)^4","x",1],
["(a+b*csc(d*x+c)^2)^(5/2)","x",1],
["(a+b*csc(d*x+c)^2)^(3/2)","x",1],
["(a+b*csc(d*x+c)^2)^(1/2)","x",1],
["1/(a+b*csc(d*x+c)^2)^(1/2)","x",1],
["1/(a+b*csc(d*x+c)^2)^(3/2)","x",1],
["1/(a+b*csc(d*x+c)^2)^(5/2)","x",1],
["1/(a+b*csc(d*x+c)^2)^(7/2)","x",1],
["(1+csc(x)^2)^(3/2)","x",1],
["(1+csc(x)^2)^(1/2)","x",1],
["1/(1+csc(x)^2)^(1/2)","x",1],
["(1-csc(x)^2)^(3/2)","x",1],
["(1-csc(x)^2)^(1/2)","x",1],
["1/(1-csc(x)^2)^(1/2)","x",1],
["(-1+csc(x)^2)^(3/2)","x",1],
["(-1+csc(x)^2)^(1/2)","x",1],
["1/(-1+csc(x)^2)^(1/2)","x",1],
["(-1-csc(x)^2)^(3/2)","x",1],
["(-1-csc(x)^2)^(1/2)","x",1],
["1/(-1-csc(x)^2)^(1/2)","x",1]]