/ / 2 2 \ \
| 3 | 1 2 12*x*atan(2*x) 16*x *atan (2*x)| |
| 3*cos (8*x)*|-------- - atan (2*x) - -------------- + ----------------| |
| | 2 2 2 | 2 / 2 2 \ 2 |
2 | 3 / 2 2 \ \1 + 4*x 1 + 4*x 1 + 4*x / 360*atan (2*x)*\- cos (8*x) + 4*sin (8*x)/*cos(8*x) 180*cos (8*x)*(-1 + 2*x*atan(2*x))*atan(2*x)*sin(8*x)|
16*cos (8*x)*|- 160*atan (2*x)*\- 13*cos (8*x) + 12*sin (8*x)/*sin(8*x) + ----------------------------------------------------------------------- + --------------------------------------------------- + -----------------------------------------------------|
| 2 2 2 |
| / 2\ 1 + 4*x / 2\ |
\ \1 + 4*x / \1 + 4*x / /