Pow Mul sqrt cot tanh cos sech x7 x0 acot Add x1 Add 7.08616739573719 E 
Mul Pow Mul sqrt cot tanh cos sech x7 x0 Add acot Add x1 Add 7.08616739573719 E -1 Mul acot Add x1 Add 7.08616739573719 E sqrt cot tanh cos sech x7 