5 2 / 2 \ 4 3
cos (3*x)*tan (4*x + 1)*\12 + 12*tan (4*x + 1)/ - 15*cos (3*x)*tan (4*x + 1)*sin(3*x)
$$\left(12 \tan^{2}{\left(4 x + 1 \right)} + 12\right) \cos^{5}{\left(3 x \right)} \tan^{2}{\left(4 x + 1 \right)} - 15 \sin{\left(3 x \right)} \cos^{4}{\left(3 x \right)} \tan^{3}{\left(4 x + 1 \right)}$$
3 / 2 / 2 2 \ 2 / 2 \ / 2 \ / 2 \ \
3*cos (3*x)*\15*tan (1 + 4*x)*\- cos (3*x) + 4*sin (3*x)/ + 32*cos (3*x)*\1 + tan (1 + 4*x)/*\1 + 2*tan (1 + 4*x)/ - 120*\1 + tan (1 + 4*x)/*cos(3*x)*sin(3*x)*tan(1 + 4*x)/*tan(1 + 4*x)
$$3 \left(15 \left(4 \sin^{2}{\left(3 x \right)} - \cos^{2}{\left(3 x \right)}\right) \tan^{2}{\left(4 x + 1 \right)} + 32 \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(2 \tan^{2}{\left(4 x + 1 \right)} + 1\right) \cos^{2}{\left(3 x \right)} - 120 \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \sin{\left(3 x \right)} \cos{\left(3 x \right)} \tan{\left(4 x + 1 \right)}\right) \cos^{3}{\left(3 x \right)} \tan{\left(4 x + 1 \right)}$$
/ / 2 \ \
2 | 3 / 2 2 \ 3 / 2 \ |/ 2 \ 4 2 / 2 \| 2 / 2 \ / 2 2 \ 2 / 2 \ / 2 \ |
3*cos (3*x)*\- 45*tan (1 + 4*x)*\- 13*cos (3*x) + 12*sin (3*x)/*sin(3*x) + 128*cos (3*x)*\1 + tan (1 + 4*x)/*\\1 + tan (1 + 4*x)/ + 2*tan (1 + 4*x) + 7*tan (1 + 4*x)*\1 + tan (1 + 4*x)// + 540*tan (1 + 4*x)*\1 + tan (1 + 4*x)/*\- cos (3*x) + 4*sin (3*x)/*cos(3*x) - 1440*cos (3*x)*\1 + tan (1 + 4*x)/*\1 + 2*tan (1 + 4*x)/*sin(3*x)*tan(1 + 4*x)/
$$3 \left(540 \left(4 \sin^{2}{\left(3 x \right)} - \cos^{2}{\left(3 x \right)}\right) \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \cos{\left(3 x \right)} \tan^{2}{\left(4 x + 1 \right)} - 45 \left(12 \sin^{2}{\left(3 x \right)} - 13 \cos^{2}{\left(3 x \right)}\right) \sin{\left(3 x \right)} \tan^{3}{\left(4 x + 1 \right)} - 1440 \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(2 \tan^{2}{\left(4 x + 1 \right)} + 1\right) \sin{\left(3 x \right)} \cos^{2}{\left(3 x \right)} \tan{\left(4 x + 1 \right)} + 128 \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(\left(\tan^{2}{\left(4 x + 1 \right)} + 1\right)^{2} + 7 \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \tan^{2}{\left(4 x + 1 \right)} + 2 \tan^{4}{\left(4 x + 1 \right)}\right) \cos^{3}{\left(3 x \right)}\right) \cos^{2}{\left(3 x \right)}$$