cbrt acot Add asin x0 0.549306144334055 
Mul Pow Mul Mul 3 cbrt acot Add asin x0 0.549306144334055 cbrt acot Add asin x0 0.549306144334055 -1 Mul -1 Mul Pow sqrt Add 1 Mul -1 Mul x0 x0 -1 Pow Add 1 Mul Add asin x0 0.549306144334055 Add asin x0 0.549306144334055 -1 