Mul x2 cot Add Pow x0 Add sech x0 sec x2 x0 
Mul x2 Mul Mul -1 Pow csc Add Pow x0 Add sech x0 sec x2 x0 2 Add Mul Pow x0 Add Add sech x0 sec x2 -1 Add Add sech x0 sec x2 Mul Mul x0 log x0 Mul tanh x0 Mul -1 sech x0 1 