sec Add Pow Pow Add x0 -2 csc Mul x3 -1 x7 x0 
Mul Mul tan Add Pow Pow Add x0 -2 csc Mul x3 -1 x7 x0 sec Add Pow Pow Add x0 -2 csc Mul x3 -1 x7 x0 Add Mul Pow Pow Add x0 -2 csc Mul x3 -1 Add x7 -1 Mul x7 Mul Pow Add x0 -2 Add csc Mul x3 -1 -1 csc Mul x3 -1 1 