log acos sec Mul x0 0.265802228834080 
Mul Mul -1 Mul Mul Mul tan Mul x0 0.265802228834080 sec Mul x0 0.265802228834080 0.265802228834080 Pow sqrt Add 1 Mul -1 Mul sec Mul x0 0.265802228834080 sec Mul x0 0.265802228834080 -1 Pow acos sec Mul x0 0.265802228834080 -1 