3
3*tan (4*x) 2 / 2 \
- ------------- + tan (4*x)*\12 + 12*tan (4*x)/*acos(3*x)
__________
/ 2
\/ 1 - 9*x
$$\left(12 \tan^{2}{\left(4 x \right)} + 12\right) \tan^{2}{\left(4 x \right)} \operatorname{acos}{\left(3 x \right)} - \frac{3 \tan^{3}{\left(4 x \right)}}{\sqrt{1 - 9 x^{2}}}$$
/ / 2 \ 2 \
| 24*\1 + tan (4*x)/*tan(4*x) 9*x*tan (4*x) / 2 \ / 2 \ |
3*|- --------------------------- - ------------- + 32*\1 + tan (4*x)/*\1 + 2*tan (4*x)/*acos(3*x)|*tan(4*x)
| __________ 3/2 |
| / 2 / 2\ |
\ \/ 1 - 9*x \1 - 9*x / /
$$3 \left(- \frac{9 x \tan^{2}{\left(4 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + 32 \left(\tan^{2}{\left(4 x \right)} + 1\right) \left(2 \tan^{2}{\left(4 x \right)} + 1\right) \operatorname{acos}{\left(3 x \right)} - \frac{24 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan{\left(4 x \right)}}{\sqrt{1 - 9 x^{2}}}\right) \tan{\left(4 x \right)}$$
/ / 2 \ \
| 3 | 27*x | |
|9*tan (4*x)*|-1 + ---------| |
| | 2| / 2 \ 2 / 2 \ / 2 \ / 2 \ |
| \ -1 + 9*x / / 2 \ |/ 2 \ 4 2 / 2 \| 324*x*tan (4*x)*\1 + tan (4*x)/ 288*\1 + tan (4*x)/*\1 + 2*tan (4*x)/*tan(4*x)|
3*|---------------------------- + 128*\1 + tan (4*x)/*\\1 + tan (4*x)/ + 2*tan (4*x) + 7*tan (4*x)*\1 + tan (4*x)//*acos(3*x) - ------------------------------- - ----------------------------------------------|
| 3/2 3/2 __________ |
| / 2\ / 2\ / 2 |
\ \1 - 9*x / \1 - 9*x / \/ 1 - 9*x /
$$3 \left(- \frac{324 x \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan^{2}{\left(4 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}} + 128 \left(\tan^{2}{\left(4 x \right)} + 1\right) \left(\left(\tan^{2}{\left(4 x \right)} + 1\right)^{2} + 7 \left(\tan^{2}{\left(4 x \right)} + 1\right) \tan^{2}{\left(4 x \right)} + 2 \tan^{4}{\left(4 x \right)}\right) \operatorname{acos}{\left(3 x \right)} - \frac{288 \left(\tan^{2}{\left(4 x \right)} + 1\right) \left(2 \tan^{2}{\left(4 x \right)} + 1\right) \tan{\left(4 x \right)}}{\sqrt{1 - 9 x^{2}}} + \frac{9 \left(\frac{27 x^{2}}{9 x^{2} - 1} - 1\right) \tan^{3}{\left(4 x \right)}}{\left(1 - 9 x^{2}\right)^{\frac{3}{2}}}\right)$$