2 2/ 2 \ 3 / 2/ 2 \\ / 2 \
- 9*cos (3*x)*tan \4*x + 1/*sin(3*x) + 16*x*cos (3*x)*\1 + tan \4*x + 1//*tan\4*x + 1/
$$16 x \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \cos^{3}{\left(3 x \right)} \tan{\left(4 x^{2} + 1 \right)} - 9 \sin{\left(3 x \right)} \cos^{2}{\left(3 x \right)} \tan^{2}{\left(4 x^{2} + 1 \right)}$$
/ 2/ 2\ / 2 2 \ 2 / 2/ 2\\ / 2 / 2/ 2\\ 2 2/ 2\ / 2\\ / 2/ 2\\ / 2\\
\27*tan \1 + 4*x /*\- cos (3*x) + 2*sin (3*x)/ + 16*cos (3*x)*\1 + tan \1 + 4*x //*\8*x *\1 + tan \1 + 4*x // + 16*x *tan \1 + 4*x / + tan\1 + 4*x // - 288*x*\1 + tan \1 + 4*x //*cos(3*x)*sin(3*x)*tan\1 + 4*x //*cos(3*x)
$$\left(- 288 x \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \sin{\left(3 x \right)} \cos{\left(3 x \right)} \tan{\left(4 x^{2} + 1 \right)} + 27 \left(2 \sin^{2}{\left(3 x \right)} - \cos^{2}{\left(3 x \right)}\right) \tan^{2}{\left(4 x^{2} + 1 \right)} + 16 \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \left(8 x^{2} \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) + 16 x^{2} \tan^{2}{\left(4 x^{2} + 1 \right)} + \tan{\left(4 x^{2} + 1 \right)}\right) \cos^{2}{\left(3 x \right)}\right) \cos{\left(3 x \right)}$$
2/ 2\ / 2 2 \ 2 / 2/ 2\\ / 2 / 2/ 2\\ 2 2/ 2\ / 2\\ 3 / 2/ 2\\ / 2/ 2\ 2 3/ 2\ 2 / 2/ 2\\ / 2\\ / 2/ 2\\ / 2 2 \ / 2\
- 81*tan \1 + 4*x /*\- 7*cos (3*x) + 2*sin (3*x)/*sin(3*x) - 432*cos (3*x)*\1 + tan \1 + 4*x //*\8*x *\1 + tan \1 + 4*x // + 16*x *tan \1 + 4*x / + tan\1 + 4*x //*sin(3*x) + 128*x*cos (3*x)*\1 + tan \1 + 4*x //*\3 + 9*tan \1 + 4*x / + 32*x *tan \1 + 4*x / + 64*x *\1 + tan \1 + 4*x //*tan\1 + 4*x // + 1296*x*\1 + tan \1 + 4*x //*\- cos (3*x) + 2*sin (3*x)/*cos(3*x)*tan\1 + 4*x /
$$1296 x \left(2 \sin^{2}{\left(3 x \right)} - \cos^{2}{\left(3 x \right)}\right) \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \cos{\left(3 x \right)} \tan{\left(4 x^{2} + 1 \right)} + 128 x \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \left(64 x^{2} \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \tan{\left(4 x^{2} + 1 \right)} + 32 x^{2} \tan^{3}{\left(4 x^{2} + 1 \right)} + 9 \tan^{2}{\left(4 x^{2} + 1 \right)} + 3\right) \cos^{3}{\left(3 x \right)} - 81 \left(2 \sin^{2}{\left(3 x \right)} - 7 \cos^{2}{\left(3 x \right)}\right) \sin{\left(3 x \right)} \tan^{2}{\left(4 x^{2} + 1 \right)} - 432 \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) \left(8 x^{2} \left(\tan^{2}{\left(4 x^{2} + 1 \right)} + 1\right) + 16 x^{2} \tan^{2}{\left(4 x^{2} + 1 \right)} + \tan{\left(4 x^{2} + 1 \right)}\right) \sin{\left(3 x \right)} \cos^{2}{\left(3 x \right)}$$