5
2 4 / 2 \ 6*tan (x + 2)*acos(3*x)
acos (3*x)*tan (x + 2)*\5 + 5*tan (x + 2)/ - -----------------------
__________
/ 2
\/ 1 - 9*x
$$\left(5 \tan^{2}{\left(x + 2 \right)} + 5\right) \tan^{4}{\left(x + 2 \right)} \operatorname{acos}^{2}{\left(3 x \right)} - \frac{6 \tan^{5}{\left(x + 2 \right)} \operatorname{acos}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}}}$$
/ / 2 \ \
3 | 2 / 1 3*x*acos(3*x)\ 2 / 2 \ / 2 \ 30*\1 + tan (2 + x)/*acos(3*x)*tan(2 + x)|
2*tan (2 + x)*|- 9*tan (2 + x)*|--------- + -------------| + 5*acos (3*x)*\1 + tan (2 + x)/*\2 + 3*tan (2 + x)/ - -----------------------------------------|
| | 2 3/2| __________ |
| |-1 + 9*x / 2\ | / 2 |
\ \ \1 - 9*x / / \/ 1 - 9*x /
$$2 \left(- 9 \left(\frac{3 x \operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + \frac{1}{9 x^{2} - 1}\right) \tan^{2}{\left(x + 2 \right)} + 5 \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \left(3 \tan^{2}{\left(x + 2 \right)} + 2\right) \operatorname{acos}^{2}{\left(3 x \right)} - \frac{30 \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \tan{\left(x + 2 \right)} \operatorname{acos}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}}}\right) \tan^{3}{\left(x + 2 \right)}$$
/ / 2 \ / 2 \ / 2 \ / 2 \ \
2 | 3 | acos(3*x) 9*x 27*x *acos(3*x)| 2 / 2 \ / 1 3*x*acos(3*x)\ 2 / 2 \ | 4 / 2 \ 2 / 2 \| 90*\1 + tan (2 + x)/*\2 + 3*tan (2 + x)/*acos(3*x)*tan(2 + x)|
2*tan (2 + x)*|- 27*tan (2 + x)*|------------- - ------------ + ---------------| - 135*tan (2 + x)*\1 + tan (2 + x)/*|--------- + -------------| + 5*acos (3*x)*\1 + tan (2 + x)/*\2*tan (2 + x) + 6*\1 + tan (2 + x)/ + 13*tan (2 + x)*\1 + tan (2 + x)// - -------------------------------------------------------------|
| | 3/2 2 5/2 | | 2 3/2| __________ |
| |/ 2\ / 2\ / 2\ | |-1 + 9*x / 2\ | / 2 |
\ \\1 - 9*x / \-1 + 9*x / \1 - 9*x / / \ \1 - 9*x / / \/ 1 - 9*x /
$$2 \left(- 135 \left(\frac{3 x \operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + \frac{1}{9 x^{2} - 1}\right) \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \tan^{2}{\left(x + 2 \right)} + 5 \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \left(6 \left(\tan^{2}{\left(x + 2 \right)} + 1\right)^{2} + 13 \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \tan^{2}{\left(x + 2 \right)} + 2 \tan^{4}{\left(x + 2 \right)}\right) \operatorname{acos}^{2}{\left(3 x \right)} - 27 \left(\frac{27 x^{2} \operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{5}{2}}} - \frac{9 x}{\left(9 x^{2} - 1\right)^{2}} + \frac{\operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}}\right) \tan^{3}{\left(x + 2 \right)} - \frac{90 \left(\tan^{2}{\left(x + 2 \right)} + 1\right) \left(3 \tan^{2}{\left(x + 2 \right)} + 2\right) \tan{\left(x + 2 \right)} \operatorname{acos}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}}}\right) \tan^{2}{\left(x + 2 \right)}$$