/ 3 atan(2*x) atan(2*x)\
|sin (1) 2*e 8*x*e |
2*|------- + ------------ - --------------|
| 3 2 2 |
| x / 2\ / 2\ |
\ \1 + 4*x / \1 + 4*x / /
$$2 \left(- \frac{8 x e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{2}} + \frac{2 e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{2}} + \frac{\sin^{3}{\left(1 \right)}}{x^{3}}\right)$$
/ atan(2*x) 3 atan(2*x) atan(2*x) 2 atan(2*x)\
| 8*e 3*sin (1) 4*e 48*x*e 128*x *e |
2*|- ------------ - --------- + ------------ - --------------- + -----------------|
| 2 4 3 3 3 |
| / 2\ x / 2\ / 2\ / 2\ |
\ \1 + 4*x / \1 + 4*x / \1 + 4*x / \1 + 4*x / /
$$2 \left(\frac{128 x^{2} e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{3}} - \frac{48 x e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{3}} - \frac{8 e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{2}} + \frac{4 e^{\operatorname{atan}{\left(2 x \right)}}}{\left(4 x^{2} + 1\right)^{3}} - \frac{3 \sin^{3}{\left(1 \right)}}{x^{4}}\right)$$