/ 2 4 \
| 2 2 4*cos (x)*sin (x)|
2*|cos (x) - sin (x) - -----------------|
| 4 |
\ 1 + sin (x) /
-----------------------------------------
4
1 + sin (x)
$$\frac{2 \left(- \sin^{2}{\left(x \right)} + \cos^{2}{\left(x \right)} - \frac{4 \sin^{4}{\left(x \right)} \cos^{2}{\left(x \right)}}{\sin^{4}{\left(x \right)} + 1}\right)}{\sin^{4}{\left(x \right)} + 1}$$
/ 4 2 2 2 6 \
| 3*sin (x) 5*cos (x)*sin (x) 8*cos (x)*sin (x)|
8*|-1 + ----------- - ----------------- + -----------------|*cos(x)*sin(x)
| 4 4 2 |
| 1 + sin (x) 1 + sin (x) / 4 \ |
\ \1 + sin (x)/ /
--------------------------------------------------------------------------
4
1 + sin (x)
$$\frac{8 \left(-1 + \frac{3 \sin^{4}{\left(x \right)}}{\sin^{4}{\left(x \right)} + 1} - \frac{5 \sin^{2}{\left(x \right)} \cos^{2}{\left(x \right)}}{\sin^{4}{\left(x \right)} + 1} + \frac{8 \sin^{6}{\left(x \right)} \cos^{2}{\left(x \right)}}{\left(\sin^{4}{\left(x \right)} + 1\right)^{2}}\right) \sin{\left(x \right)} \cos{\left(x \right)}}{\sin^{4}{\left(x \right)} + 1}$$