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Mul Mul -1 Pow csch Mul log Add coth Add coth x0 x7 5 Add 5 Pow coth pi x0 2 Add Mul Add 5 Pow coth pi x0 Mul Mul Mul -1 Pow csch Add coth x0 x7 2 Mul -1 Pow csch x0 2 Pow Add coth Add coth x0 x7 5 -1 Mul log Add coth Add coth x0 x7 5 Mul Pow coth pi Add x0 -1 Mul coth pi log coth pi 