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Add Pow Mul 2 sqrt x0 -1 Mul x7 Mul Mul Mul -1 coth Pow Add tanh Add 4 acoth sec x0 pi x0 csch Pow Add tanh Add 4 acoth sec x0 pi x0 Mul Pow Add tanh Add 4 acoth sec x0 pi Add x0 -1 Add Mul x0 Mul Pow sech Add 4 acoth sec x0 2 Mul Mul tan x0 sec x0 Pow Add 1 Mul -1 Mul sec x0 sec x0 -1 Mul Add tanh Add 4 acoth sec x0 pi log Add tanh Add 4 acoth sec x0 pi 