csc log Mul cosh Add atan asinh x2 4 x0 
Mul Mul Mul -1 cot log Mul cosh Add atan asinh x2 4 x0 csc log Mul cosh Add atan asinh x2 4 x0 Mul cosh Add atan asinh x2 4 Pow Mul cosh Add atan asinh x2 4 x0 -1 