Pow tan Add -2 x0 sech csch log exp x0 
Mul Pow tan Add -2 x0 Add sech csch log exp x0 -1 Add Mul sech csch log exp x0 Pow sec Add -2 x0 2 Mul Mul tan Add -2 x0 log tan Add -2 x0 Mul Mul tanh csch log exp x0 Mul -1 sech csch log exp x0 Mul Mul Mul -1 coth log exp x0 csch log exp x0 Mul exp x0 Pow exp x0 -1 