/ 2/1 \\ / 5\ 4 /1 \
2*|-1 - cot |--||*atan\7*x / 35*x *cot|--|
| | 2|| | 2|
\ \x // \x /
- ---------------------------- + -------------
3 10
x 1 + 49*x
$$\frac{35 x^{4} \cot{\left(\frac{1}{x^{2}} \right)}}{49 x^{10} + 1} - \frac{2 \left(- \cot^{2}{\left(\frac{1}{x^{2}} \right)} - 1\right) \operatorname{atan}{\left(7 x^{5} \right)}}{x^{3}}$$
/ / /1 \\ \
| | 4*cot|--|| |
| | | 2|| / 10 \ |
| / 2/1 \\ / 2/1 \\ | \x /| / 5\ 3 | 245*x | /1 \|
|70*x*|1 + cot |--|| |1 + cot |--||*|3 - ---------|*atan\7*x / 35*x *|-2 + ----------|*cot|--||
| | | 2|| | | 2|| | 2 | | 10| | 2||
| \ \x // \ \x // \ x / \ 1 + 49*x / \x /|
2*|------------------- - ----------------------------------------- - -------------------------------|
| 10 4 10 |
\ 1 + 49*x x 1 + 49*x /
$$2 \left(- \frac{35 x^{3} \left(\frac{245 x^{10}}{49 x^{10} + 1} - 2\right) \cot{\left(\frac{1}{x^{2}} \right)}}{49 x^{10} + 1} + \frac{70 x \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right)}{49 x^{10} + 1} - \frac{\left(3 - \frac{4 \cot{\left(\frac{1}{x^{2}} \right)}}{x^{2}}\right) \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right) \operatorname{atan}{\left(7 x^{5} \right)}}{x^{4}}\right)$$
/ / /1 \\ / /1 \ / 2/1 \\ 2/1 \\ \
| | 4*cot|--|| | 9*cot|--| 2*|1 + cot |--|| 4*cot |--|| / 10 20 \ |
| / 10 \ | | 2|| | | 2| | | 2|| | 2|| 2 | 4165*x 240100*x | /1 \|
| / 2/1 \\ | 245*x | / 2/1 \\ | \x /| / 2/1 \\ | \x / \ \x // \x /| / 5\ 35*x *|6 - ---------- + -------------|*cot|--||
| 210*|1 + cot |--||*|-2 + ----------| 105*|1 + cot |--||*|3 - ---------| 4*|1 + cot |--||*|3 - --------- + ---------------- + ----------|*atan\7*x / | 10 2| | 2||
| | | 2|| | 10| | | 2|| | 2 | | | 2|| | 2 4 4 | | 1 + 49*x / 10\ | \x /|
| \ \x // \ 1 + 49*x / \ \x // \ x / \ \x // \ x x x / \ \1 + 49*x / / |
2*|- ------------------------------------ - ---------------------------------- + --------------------------------------------------------------------------- + ----------------------------------------------|
| 10 10 5 10 |
\ 1 + 49*x 1 + 49*x x 1 + 49*x /
$$2 \left(\frac{35 x^{2} \left(\frac{240100 x^{20}}{\left(49 x^{10} + 1\right)^{2}} - \frac{4165 x^{10}}{49 x^{10} + 1} + 6\right) \cot{\left(\frac{1}{x^{2}} \right)}}{49 x^{10} + 1} - \frac{105 \left(3 - \frac{4 \cot{\left(\frac{1}{x^{2}} \right)}}{x^{2}}\right) \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right)}{49 x^{10} + 1} - \frac{210 \left(\frac{245 x^{10}}{49 x^{10} + 1} - 2\right) \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right)}{49 x^{10} + 1} + \frac{4 \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right) \left(3 - \frac{9 \cot{\left(\frac{1}{x^{2}} \right)}}{x^{2}} + \frac{2 \left(\cot^{2}{\left(\frac{1}{x^{2}} \right)} + 1\right)}{x^{4}} + \frac{4 \cot^{2}{\left(\frac{1}{x^{2}} \right)}}{x^{4}}\right) \operatorname{atan}{\left(7 x^{5} \right)}}{x^{5}}\right)$$