x
/ x x \ cos(3*x)*e
\cos(3*x)*e - 3*e *sin(3*x)/*acos(x) - -----------
________
/ 2
\/ 1 - x
$$\left(- 3 e^{x} \sin{\left(3 x \right)} + e^{x} \cos{\left(3 x \right)}\right) \operatorname{acos}{\left(x \right)} - \frac{e^{x} \cos{\left(3 x \right)}}{\sqrt{1 - x^{2}}}$$
/ 2*(-cos(3*x) + 3*sin(3*x)) x*cos(3*x)\ x
|-2*(3*sin(3*x) + 4*cos(3*x))*acos(x) + -------------------------- - -----------|*e
| ________ 3/2|
| / 2 / 2\ |
\ \/ 1 - x \1 - x / /
$$\left(- \frac{x \cos{\left(3 x \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}} - 2 \left(3 \sin{\left(3 x \right)} + 4 \cos{\left(3 x \right)}\right) \operatorname{acos}{\left(x \right)} + \frac{2 \left(3 \sin{\left(3 x \right)} - \cos{\left(3 x \right)}\right)}{\sqrt{1 - x^{2}}}\right) e^{x}$$
/ / 2 \ \
| | 3*x | |
| |-1 + -------|*cos(3*x) |
| | 2| |
| 6*(3*sin(3*x) + 4*cos(3*x)) \ -1 + x / 3*x*(-cos(3*x) + 3*sin(3*x))| x
|2*(-13*cos(3*x) + 9*sin(3*x))*acos(x) + --------------------------- + ----------------------- + ----------------------------|*e
| ________ 3/2 3/2 |
| / 2 / 2\ / 2\ |
\ \/ 1 - x \1 - x / \1 - x / /
$$\left(\frac{3 x \left(3 \sin{\left(3 x \right)} - \cos{\left(3 x \right)}\right)}{\left(1 - x^{2}\right)^{\frac{3}{2}}} + 2 \left(9 \sin{\left(3 x \right)} - 13 \cos{\left(3 x \right)}\right) \operatorname{acos}{\left(x \right)} + \frac{6 \left(3 \sin{\left(3 x \right)} + 4 \cos{\left(3 x \right)}\right)}{\sqrt{1 - x^{2}}} + \frac{\left(\frac{3 x^{2}}{x^{2} - 1} - 1\right) \cos{\left(3 x \right)}}{\left(1 - x^{2}\right)^{\frac{3}{2}}}\right) e^{x}$$