2 / 2 \
1 + tan (x) 3 | 3 3*x*atan (x)|
----------- + 5*x*atan (x) + 5*x*|atan (x) + ------------|
tan(x) | 2 |
\ 1 + x /
$$5 x \left(\frac{3 x \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} + \operatorname{atan}^{3}{\left(x \right)}\right) + 5 x \operatorname{atan}^{3}{\left(x \right)} + \frac{\tan^{2}{\left(x \right)} + 1}{\tan{\left(x \right)}}$$
/ 2 \
| x x *atan(x) |
2 30*x*|------ - ---------- + atan(x)|*atan(x)
/ 2 \ 2 | 2 2 |
2 3 \1 + tan (x)/ 30*x*atan (x) \1 + x 1 + x /
2 + 2*tan (x) + 10*atan (x) - -------------- + ------------- + --------------------------------------------
2 2 2
tan (x) 1 + x 1 + x
$$\frac{30 x \left(- \frac{x^{2} \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{x}{x^{2} + 1} + \operatorname{atan}{\left(x \right)}\right) \operatorname{atan}{\left(x \right)}}{x^{2} + 1} + \frac{30 x \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} - \frac{\left(\tan^{2}{\left(x \right)} + 1\right)^{2}}{\tan^{2}{\left(x \right)}} + 2 \tan^{2}{\left(x \right)} + 10 \operatorname{atan}^{3}{\left(x \right)} + 2$$
/ / 2 3 2 \ \
| | x 2 6*x *atan(x) 4*x *atan (x)| |
| 3 2 15*x*|3*atan(x) + ------ - 4*x*atan (x) - ------------ + -------------| |
|/ 2 \ / 2 \ 2 2 2 | 2 2 2 | |
|\1 + tan (x)/ 2*\1 + tan (x)/ / 2 \ 45*atan (x) 45*x *atan (x) \ 1 + x 1 + x 1 + x / 45*x*atan(x)|
2*|-------------- - ---------------- + 2*\1 + tan (x)/*tan(x) + ----------- - -------------- + ----------------------------------------------------------------------- + ------------|
| 3 tan(x) 2 2 2 2 |
| tan (x) 1 + x / 2\ / 2\ / 2\ |
\ \1 + x / \1 + x / \1 + x / /
$$2 \left(- \frac{45 x^{2} \operatorname{atan}^{2}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}} + \frac{15 x \left(\frac{4 x^{3} \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1} - \frac{6 x^{2} \operatorname{atan}{\left(x \right)}}{x^{2} + 1} - 4 x \operatorname{atan}^{2}{\left(x \right)} + \frac{x}{x^{2} + 1} + 3 \operatorname{atan}{\left(x \right)}\right)}{\left(x^{2} + 1\right)^{2}} + \frac{45 x \operatorname{atan}{\left(x \right)}}{\left(x^{2} + 1\right)^{2}} + \frac{\left(\tan^{2}{\left(x \right)} + 1\right)^{3}}{\tan^{3}{\left(x \right)}} - \frac{2 \left(\tan^{2}{\left(x \right)} + 1\right)^{2}}{\tan{\left(x \right)}} + 2 \left(\tan^{2}{\left(x \right)} + 1\right) \tan{\left(x \right)} + \frac{45 \operatorname{atan}^{2}{\left(x \right)}}{x^{2} + 1}\right)$$