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Add Mul x0 Add sec Add sec atanh Add sech sec log sech x0 pi x2 Mul x0 Mul Mul tan Add sec atanh Add sech sec log sech x0 pi x2 sec Add sec atanh Add sech sec log sech x0 pi x2 Mul Mul tan atanh Add sech sec log sech x0 pi sec atanh Add sech sec log sech x0 pi Mul Mul Mul tanh sec log sech x0 Mul -1 sech sec log sech x0 Mul Mul tan log sech x0 sec log sech x0 Mul Mul tanh x0 Mul -1 sech x0 Pow sech x0 -1 Pow Add 1 Mul -1 Mul Add sech sec log sech x0 pi Add sech sec log sech x0 pi -1 Mul x0 sec Add sec atanh Add sech sec log sech x0 pi x2 