/ 2/ 2\ 2 / 2/ 2\\ / 2\\ 8*\-1 - cot \(3 + 2*x) / + 4*(3 + 2*x) *\1 + cot \(3 + 2*x) //*cot\(3 + 2*x) //
/ 2/ 2\\ / / 2\ 2 2/ 2\ 2 / 2/ 2\\\ 64*\1 + cot \(3 + 2*x) //*(3 + 2*x)*\3*cot\(3 + 2*x) / - 4*(3 + 2*x) *cot \(3 + 2*x) / - 2*(3 + 2*x) *\1 + cot \(3 + 2*x) ///