sec Add x4 Pow x3 Add -4 Mul Add csc x0 -1 x3 
Mul Mul tan Add x4 Pow x3 Add -4 Mul Add csc x0 -1 x3 sec Add x4 Pow x3 Add -4 Mul Add csc x0 -1 x3 Mul Pow x3 Add Add -4 Mul Add csc x0 -1 x3 -1 Mul Mul x3 log x3 Mul x3 Mul Mul -1 cot x0 csc x0 