cot csc sin sech Add -2.21951178368117 x0 
Mul Mul -1 Pow csc csc sin sech Add -2.21951178368117 x0 2 Mul Mul Mul -1 cot sin sech Add -2.21951178368117 x0 csc sin sech Add -2.21951178368117 x0 Mul cos sech Add -2.21951178368117 x0 Mul tanh Add -2.21951178368117 x0 Mul -1 sech Add -2.21951178368117 x0 