The first derivative
[src]
x
- ----------- + acos(x)
________
/ 2
\/ 1 - x
$$- \frac{x}{\sqrt{1 - x^{2}}} + \operatorname{acos}{\left(x \right)}$$
The second derivative
[src]
/ 2 \
| x |
-|2 + ------|
| 2|
\ 1 - x /
--------------
________
/ 2
\/ 1 - x
$$- \frac{\frac{x^{2}}{1 - x^{2}} + 2}{\sqrt{1 - x^{2}}}$$
The third derivative
[src]
/ 2 \
| 3*x |
x*|-4 + -------|
| 2|
\ -1 + x /
----------------
3/2
/ 2\
\1 - x /
$$\frac{x \left(\frac{3 x^{2}}{x^{2} - 1} - 4\right)}{\left(1 - x^{2}\right)^{\frac{3}{2}}}$$