cot sech Add Pow Add x1 -2 -2 cot Mul x3 x0 
Mul Mul -1 Pow csc sech Add Pow Add x1 -2 -2 cot Mul x3 x0 2 Mul Mul tanh Add Pow Add x1 -2 -2 cot Mul x3 x0 Mul -1 sech Add Pow Add x1 -2 -2 cot Mul x3 x0 Mul Mul -1 Pow csc Mul x3 x0 2 x3 