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