/ 2 2 2 2 \
| 2*sin (x) 6*cos (x) 8*cos (x)*sin (x)|
|-1 - ----------- + ----------- + -----------------|*sin(x)
| 2 2 2 |
| 1 + cos (x) 1 + cos (x) / 2 \ |
\ \1 + cos (x)/ /
-----------------------------------------------------------
2
1 + cos (x)
$$\frac{\sin{\left (x \right )}}{\cos^{2}{\left (x \right )} + 1} \left(-1 - \frac{2 \sin^{2}{\left (x \right )}}{\cos^{2}{\left (x \right )} + 1} + \frac{6 \cos^{2}{\left (x \right )}}{\cos^{2}{\left (x \right )} + 1} + \frac{8 \sin^{2}{\left (x \right )} \cos^{2}{\left (x \right )}}{\left(\cos^{2}{\left (x \right )} + 1\right)^{2}}\right)$$