32 {2 cos x -(3)^1/2}{2 cos x +(3)^1/2}/{32cos^5 x - 9(3)^1/2}
32 {2 cos x -(3)^1/2}{2 cos x +(3)^1/2}/{2 cos x -(3)^1/2} { 16 cos^4 x + 8(3)^1/2 cos^3 x + 12 cos^2 x + 6(3)^1/2 cos x + 9 }
32{2 cos x +(3)^1/2} / { 16 cos^4 x - 8(3)^1/2 cos^3 x + 12 cos^2 x + 6(3)^1/2 cos x + 9 }...