atan atan Add 1.04409439904188 sec x0 
Mul Mul Mul tan x0 sec x0 Pow Add 1 Mul Add 1.04409439904188 sec x0 Add 1.04409439904188 sec x0 -1 Pow Add 1 Mul atan Add 1.04409439904188 sec x0 atan Add 1.04409439904188 sec x0 -1 