asech Pow x0 Mul -2 csch sec cos x3 
Mul Mul Pow x0 Add Mul -2 csch sec cos x3 -1 Mul -2 csch sec cos x3 Pow Mul Mul Pow x0 Mul -2 csch sec cos x3 Pow x0 Mul -2 csch sec cos x3 sqrt Add 1 Mul -1 Pow Mul Pow x0 Mul -2 csch sec cos x3 Pow x0 Mul -2 csch sec cos x3 -1 -1 