Pow asin Mul x0 Add sec x0 x0 -0.630561593995434 
Mul Pow asin Mul x0 Add sec x0 x0 -1.63056159399543 Mul -0.630561593995434 Mul Add Add sec x0 x0 Mul x0 Add Mul tan x0 sec x0 1 Pow sqrt Add 1 Mul -1 Mul Mul x0 Add sec x0 x0 Mul x0 Add sec x0 x0 -1 