4 / 2 \ 3
acos (3*x)*\2 + 2*tan (x)/ 12*acos (3*x)
- -------------------------- - ---------------------
3 __________
tan (x) / 2 2
\/ 1 - 9*x *tan (x)
$$- \frac{\left(2 \tan^{2}{\left(x \right)} + 2\right) \operatorname{acos}^{4}{\left(3 x \right)}}{\tan^{3}{\left(x \right)}} - \frac{12 \operatorname{acos}^{3}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}} \tan^{2}{\left(x \right)}}$$
/ / / 2 \\ / 2 \ \
2 | 54 2 / 2 \ | 3*\1 + tan (x)/| 54*x*acos(3*x) 24*\1 + tan (x)/*acos(3*x)|
2*acos (3*x)*|- --------- + acos (3*x)*\1 + tan (x)/*|-2 + ---------------| - -------------- + --------------------------|
| 2 | 2 | 3/2 __________ |
| -1 + 9*x \ tan (x) / / 2\ / 2 |
\ \1 - 9*x / \/ 1 - 9*x *tan(x) /
--------------------------------------------------------------------------------------------------------------------------
2
tan (x)
$$\frac{2 \left(- \frac{54 x \operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + \left(\frac{3 \left(\tan^{2}{\left(x \right)} + 1\right)}{\tan^{2}{\left(x \right)}} - 2\right) \left(\tan^{2}{\left(x \right)} + 1\right) \operatorname{acos}^{2}{\left(3 x \right)} - \frac{54}{9 x^{2} - 1} + \frac{24 \left(\tan^{2}{\left(x \right)} + 1\right) \operatorname{acos}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}} \tan{\left(x \right)}}\right) \operatorname{acos}^{2}{\left(3 x \right)}}{\tan^{2}{\left(x \right)}}$$
/ / 2 2 2 \ \
| | 6 acos (3*x) 27*x*acos(3*x) 27*x *acos (3*x)| / 2 \ / 1 x*acos(3*x) \ / / 2 \\|
| 27*|------------- + ------------- - -------------- + ----------------| 162*\1 + tan (x)/*|--------- + -------------|*acos(3*x) 2 / 2 \ | 3*\1 + tan (x)/||
| | 3/2 3/2 2 5/2 | / 2\ | 2 3/2| 18*acos (3*x)*\1 + tan (x)/*|-2 + ---------------||
| |/ 2\ / 2\ / 2\ / 2\ | | / 2 \ / 2 \ | |-1 + 9*x / 2\ | | 2 ||
| \\1 - 9*x / \1 - 9*x / \-1 + 9*x / \1 - 9*x / / 3 / 2 \ | 4*\1 + tan (x)/ 3*\1 + tan (x)/ | \ \1 - 9*x / / \ tan (x) /|
4*|- ---------------------------------------------------------------------- - 2*acos (3*x)*\1 + tan (x)/*|1 - --------------- + ----------------| + ------------------------------------------------------- - --------------------------------------------------|*acos(3*x)
| tan(x) | 2 4 | 2 __________ |
| \ tan (x) tan (x) / tan (x) / 2 |
\ \/ 1 - 9*x *tan(x) /
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
tan(x)
$$\frac{4 \left(\frac{162 \left(\frac{x \operatorname{acos}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + \frac{1}{9 x^{2} - 1}\right) \left(\tan^{2}{\left(x \right)} + 1\right) \operatorname{acos}{\left(3 x \right)}}{\tan^{2}{\left(x \right)}} - 2 \left(\tan^{2}{\left(x \right)} + 1\right) \left(\frac{3 \left(\tan^{2}{\left(x \right)} + 1\right)^{2}}{\tan^{4}{\left(x \right)}} - \frac{4 \left(\tan^{2}{\left(x \right)} + 1\right)}{\tan^{2}{\left(x \right)}} + 1\right) \operatorname{acos}^{3}{\left(3 x \right)} - \frac{27 \left(\frac{27 x^{2} \operatorname{acos}^{2}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{5}{2}}} - \frac{27 x \operatorname{acos}{\left(3 x \right)}}{\left(9 x^{2} - 1\right)^{2}} + \frac{\operatorname{acos}^{2}{\left(3 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + \frac{6}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}}\right)}{\tan{\left(x \right)}} - \frac{18 \left(\frac{3 \left(\tan^{2}{\left(x \right)} + 1\right)}{\tan^{2}{\left(x \right)}} - 2\right) \left(\tan^{2}{\left(x \right)} + 1\right) \operatorname{acos}^{2}{\left(3 x \right)}}{\sqrt{1 - 9 x^{2}} \tan{\left(x \right)}}\right) \operatorname{acos}{\left(3 x \right)}}{\tan{\left(x \right)}}$$