2
sin (x)*(1 + cos(x))
-cos(x) + --------------------
2
1 - (1 + cos(x))
------------------------------
___________________
/ 2
\/ 1 - (1 + cos(x))
$$\frac{- \cos{\left(x \right)} + \frac{\left(\cos{\left(x \right)} + 1\right) \sin^{2}{\left(x \right)}}{1 - \left(\cos{\left(x \right)} + 1\right)^{2}}}{\sqrt{1 - \left(\cos{\left(x \right)} + 1\right)^{2}}}$$
/ 2 2 2 \
| sin (x) 3*(1 + cos(x)) *sin (x) 3*(1 + cos(x))*cos(x)|
|1 - ----------------- - ----------------------- + ---------------------|*sin(x)
| 2 2 2 |
| 1 - (1 + cos(x)) / 2\ 1 - (1 + cos(x)) |
\ \1 - (1 + cos(x)) / /
--------------------------------------------------------------------------------
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/ 2
\/ 1 - (1 + cos(x))
$$\frac{\left(1 + \frac{3 \left(\cos{\left(x \right)} + 1\right) \cos{\left(x \right)}}{1 - \left(\cos{\left(x \right)} + 1\right)^{2}} - \frac{\sin^{2}{\left(x \right)}}{1 - \left(\cos{\left(x \right)} + 1\right)^{2}} - \frac{3 \left(\cos{\left(x \right)} + 1\right)^{2} \sin^{2}{\left(x \right)}}{\left(1 - \left(\cos{\left(x \right)} + 1\right)^{2}\right)^{2}}\right) \sin{\left(x \right)}}{\sqrt{1 - \left(\cos{\left(x \right)} + 1\right)^{2}}}$$