/ 4 \
2 |/ cos(3*x)\ 4*cos(3*x) | / 2 \ 4*cos(3*x)
tan (4*x + 1)*\\e / - 12*x*e *sin(3*x)/ + x*\8 + 8*tan (4*x + 1)/*e *tan(4*x + 1)
$$x \left(8 \tan^{2}{\left(4 x + 1 \right)} + 8\right) e^{4 \cos{\left(3 x \right)}} \tan{\left(4 x + 1 \right)} + \left(- 12 x e^{4 \cos{\left(3 x \right)}} \sin{\left(3 x \right)} + \left(e^{\cos{\left(3 x \right)}}\right)^{4}\right) \tan^{2}{\left(4 x + 1 \right)}$$
/ 2 / / 2 \\ / 2 \ / 2 \ / 2 \\ 4*cos(3*x)
4*\3*tan (1 + 4*x)*\-2*sin(3*x) + 3*x*\-cos(3*x) + 4*sin (3*x)// - 4*\1 + tan (1 + 4*x)/*(-1 + 12*x*sin(3*x))*tan(1 + 4*x) + 8*x*\1 + tan (1 + 4*x)/*\1 + 3*tan (1 + 4*x)//*e
$$4 \left(8 x \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(3 \tan^{2}{\left(4 x + 1 \right)} + 1\right) + 3 \left(3 x \left(4 \sin^{2}{\left(3 x \right)} - \cos{\left(3 x \right)}\right) - 2 \sin{\left(3 x \right)}\right) \tan^{2}{\left(4 x + 1 \right)} - 4 \left(12 x \sin{\left(3 x \right)} - 1\right) \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \tan{\left(4 x + 1 \right)}\right) e^{4 \cos{\left(3 x \right)}}$$
/ 2 / 2 / 2 \ \ / 2 \ / 2 \ / 2 \ / / 2 \\ / 2 \ / 2 \ \ 4*cos(3*x)
4*\27*tan (1 + 4*x)*\-cos(3*x) + 4*sin (3*x) + x*\1 - 16*sin (3*x) + 12*cos(3*x)/*sin(3*x)/ - 24*\1 + tan (1 + 4*x)/*\1 + 3*tan (1 + 4*x)/*(-1 + 12*x*sin(3*x)) + 72*\1 + tan (1 + 4*x)/*\-2*sin(3*x) + 3*x*\-cos(3*x) + 4*sin (3*x)//*tan(1 + 4*x) + 128*x*\1 + tan (1 + 4*x)/*\2 + 3*tan (1 + 4*x)/*tan(1 + 4*x)/*e
$$4 \left(128 x \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(3 \tan^{2}{\left(4 x + 1 \right)} + 2\right) \tan{\left(4 x + 1 \right)} + 72 \left(3 x \left(4 \sin^{2}{\left(3 x \right)} - \cos{\left(3 x \right)}\right) - 2 \sin{\left(3 x \right)}\right) \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \tan{\left(4 x + 1 \right)} - 24 \left(12 x \sin{\left(3 x \right)} - 1\right) \left(\tan^{2}{\left(4 x + 1 \right)} + 1\right) \left(3 \tan^{2}{\left(4 x + 1 \right)} + 1\right) + 27 \left(x \left(- 16 \sin^{2}{\left(3 x \right)} + 12 \cos{\left(3 x \right)} + 1\right) \sin{\left(3 x \right)} + 4 \sin^{2}{\left(3 x \right)} - \cos{\left(3 x \right)}\right) \tan^{2}{\left(4 x + 1 \right)}\right) e^{4 \cos{\left(3 x \right)}}$$