sin Mul Mul sec x0 x0 acoth Add -0.923166086909571 x0 
Mul cos Mul Mul sec x0 x0 acoth Add -0.923166086909571 x0 Add Mul acoth Add -0.923166086909571 x0 Add Mul x0 Mul tan x0 sec x0 sec x0 Mul Mul sec x0 x0 Pow Add 1 Mul -1 Mul Add -0.923166086909571 x0 Add -0.923166086909571 x0 -1 