acos Add sec Add Mul x0 x5 x7 0.841470984807897 
Mul -1 Mul Mul Mul tan Add Mul x0 x5 x7 sec Add Mul x0 x5 x7 x5 Pow sqrt Add 1 Mul -1 Mul Add sec Add Mul x0 x5 x7 0.841470984807897 Add sec Add Mul x0 x5 x7 0.841470984807897 -1 