sech Mul Add -1.00496982331369 x7 Pow csch pi asinh x0 
Mul Mul tanh Mul Add -1.00496982331369 x7 Pow csch pi asinh x0 Mul -1 sech Mul Add -1.00496982331369 x7 Pow csch pi asinh x0 Mul Add -1.00496982331369 x7 Mul Pow csch pi Add asinh x0 -1 Mul Mul csch pi log csch pi Pow sqrt Add 1 Mul x0 x0 -1 