/n*cos(n*acos(x)) x*sin(n*acos(x))\
n*|---------------- + ----------------|
| 2 3/2 |
| -1 + x / 2\ |
\ \1 - x / /
$$n \left(\frac{n \cos{\left(n \operatorname{acos}{\left(x \right)} \right)}}{x^{2} - 1} + \frac{x \sin{\left(n \operatorname{acos}{\left(x \right)} \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right)$$
/ 2 2 \
|sin(n*acos(x)) n *sin(n*acos(x)) 3*x *sin(n*acos(x)) 3*n*x*cos(n*acos(x))|
n*|-------------- - ----------------- + ------------------- - --------------------|
| 3/2 3/2 5/2 2 |
| / 2\ / 2\ / 2\ / 2\ |
\ \1 - x / \1 - x / \1 - x / \-1 + x / /
$$n \left(- \frac{n^{2} \sin{\left(n \operatorname{acos}{\left(x \right)} \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} - \frac{3 n x \cos{\left(n \operatorname{acos}{\left(x \right)} \right)}}{\left(x^{2} - 1\right)^{2}} + \frac{3 x^{2} \sin{\left(n \operatorname{acos}{\left(x \right)} \right)}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{\sin{\left(n \operatorname{acos}{\left(x \right)} \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right)$$