csch Mul asinh pi Pow Add pi sec Add x2 1 x0 
Mul Mul Mul -1 coth Mul asinh pi Pow Add pi sec Add x2 1 x0 csch Mul asinh pi Pow Add pi sec Add x2 1 x0 Mul asinh pi Mul Pow Add pi sec Add x2 1 Add x0 -1 Mul Add pi sec Add x2 1 log Add pi sec Add x2 1 