2
x
6*cos(6*x) - ----------- + 2*x*acos(x)
________
/ 2
\/ 1 - x
$$- \frac{x^{2}}{\sqrt{1 - x^{2}}} + 2 x \operatorname{acos}{\left(x \right)} + 6 \cos{\left(6 x \right)}$$
3
x 4*x
-36*sin(6*x) + 2*acos(x) - ----------- - -----------
3/2 ________
/ 2\ / 2
\1 - x / \/ 1 - x
$$- \frac{x^{3}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} - \frac{4 x}{\sqrt{1 - x^{2}}} - 36 \sin{\left(6 x \right)} + 2 \operatorname{acos}{\left(x \right)}$$
/ 4 2 \
| 6 3*x 7*x |
-|----------- + 216*cos(6*x) + ----------- + -----------|
| ________ 5/2 3/2|
| / 2 / 2\ / 2\ |
\\/ 1 - x \1 - x / \1 - x / /
$$- (\frac{3 x^{4}}{\left(1 - x^{2}\right)^{\frac{5}{2}}} + \frac{7 x^{2}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + 216 \cos{\left(6 x \right)} + \frac{6}{\sqrt{1 - x^{2}}})$$