cot atanh Mul sech Add x3 Add x0 -4 exp x0 
Mul Mul -1 Pow csc atanh Mul sech Add x3 Add x0 -4 exp x0 2 Mul Add Mul exp x0 Mul tanh Add x3 Add x0 -4 Mul -1 sech Add x3 Add x0 -4 Mul sech Add x3 Add x0 -4 exp x0 Pow Add 1 Mul -1 Mul Mul sech Add x3 Add x0 -4 exp x0 Mul sech Add x3 Add x0 -4 exp x0 -1 