Add tan Add x0 Add Mul x0 x3 Mul Add 0.0625000000000000 sech x0 sinh acot Add x2 -4 x4 
Mul Pow sec Add x0 Add Mul x0 x3 Mul Add 0.0625000000000000 sech x0 sinh acot Add x2 -4 2 Add 1 Add x3 Mul sinh acot Add x2 -4 Mul tanh x0 Mul -1 sech x0 