2
8*cos(4*x)*sin(4*x) 72*x*cos (4*x)
- ------------------- + ------------------------------
/ 2\ _____________
acos\(6*x) / / 4 2/ 2\
\/ 1 - 1296*x *acos \(6*x) /
$$\frac{72 x \cos^{2}{\left(4 x \right)}}{\sqrt{1 - 1296 x^{4}} \operatorname{acos}^{2}{\left(\left(6 x\right)^{2} \right)}} - \frac{8 \sin{\left(4 x \right)} \cos{\left(4 x \right)}}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}}$$
/ / 4 2 \ \
| 2 | 1 2592*x 144*x | |
| 9*cos (4*x)*|---------------- + ---------------- - ---------------------------| |
| | _____________ 3/2 / 4\ / 2\| |
| | / 4 / 4\ \-1 + 1296*x /*acos\(6*x) /| |
| 2 2 \\/ 1 - 1296*x \1 - 1296*x / / 144*x*cos(4*x)*sin(4*x) |
8*|- 4*cos (4*x) + 4*sin (4*x) + ------------------------------------------------------------------------------- - -----------------------------|
| / 2\ _____________ |
| acos\(6*x) / / 4 / 2\|
\ \/ 1 - 1296*x *acos\(6*x) //
-------------------------------------------------------------------------------------------------------------------------------------------------
/ 2\
acos\(6*x) /
$$\frac{8 \left(- \frac{144 x \sin{\left(4 x \right)} \cos{\left(4 x \right)}}{\sqrt{1 - 1296 x^{4}} \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + \frac{9 \left(\frac{2592 x^{4}}{\left(1 - 1296 x^{4}\right)^{\frac{3}{2}}} - \frac{144 x^{2}}{\left(1296 x^{4} - 1\right) \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + \frac{1}{\sqrt{1 - 1296 x^{4}}}\right) \cos^{2}{\left(4 x \right)}}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + 4 \sin^{2}{\left(4 x \right)} - 4 \cos^{2}{\left(4 x \right)}\right)}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}}$$
/ / 4 2 \ / 2 6 2 4 \\
| | 1 2592*x 144*x | 2 | 1 30*x 46656*x 72*x 2592*x ||
| 27*|---------------- + ---------------- - ---------------------------|*cos(4*x)*sin(4*x) 486*x*cos (4*x)*|- --------------------------- + ---------------- + ---------------- + ------------------------------ + ----------------------------||
| | _____________ 3/2 / 4\ / 2\| | / 4\ / 2\ 3/2 5/2 3/2 2 ||
| | / 4 / 4\ \-1 + 1296*x /*acos\(6*x) /| / 2 2 \ | \-1 + 1296*x /*acos\(6*x) / / 4\ / 4\ / 4\ 2/ 2\ / 4\ / 2\||
| \\/ 1 - 1296*x \1 - 1296*x / / 108*x*\sin (4*x) - cos (4*x)/ \ \1 - 1296*x / \1 - 1296*x / \1 - 1296*x / *acos \(6*x) / \-1 + 1296*x / *acos\(6*x) //|
64*|8*cos(4*x)*sin(4*x) - ---------------------------------------------------------------------------------------- + ----------------------------- + -----------------------------------------------------------------------------------------------------------------------------------------------------|
| / 2\ _____________ / 2\ |
| acos\(6*x) / / 4 / 2\ acos\(6*x) / |
\ \/ 1 - 1296*x *acos\(6*x) / /
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
/ 2\
acos\(6*x) /
$$\frac{64 \left(\frac{486 x \left(\frac{46656 x^{6}}{\left(1 - 1296 x^{4}\right)^{\frac{5}{2}}} + \frac{2592 x^{4}}{\left(1296 x^{4} - 1\right)^{2} \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + \frac{30 x^{2}}{\left(1 - 1296 x^{4}\right)^{\frac{3}{2}}} + \frac{72 x^{2}}{\left(1 - 1296 x^{4}\right)^{\frac{3}{2}} \operatorname{acos}^{2}{\left(\left(6 x\right)^{2} \right)}} - \frac{1}{\left(1296 x^{4} - 1\right) \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}}\right) \cos^{2}{\left(4 x \right)}}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + \frac{108 x \left(\sin^{2}{\left(4 x \right)} - \cos^{2}{\left(4 x \right)}\right)}{\sqrt{1 - 1296 x^{4}} \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} - \frac{27 \left(\frac{2592 x^{4}}{\left(1 - 1296 x^{4}\right)^{\frac{3}{2}}} - \frac{144 x^{2}}{\left(1296 x^{4} - 1\right) \operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + \frac{1}{\sqrt{1 - 1296 x^{4}}}\right) \sin{\left(4 x \right)} \cos{\left(4 x \right)}}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}} + 8 \sin{\left(4 x \right)} \cos{\left(4 x \right)}\right)}{\operatorname{acos}{\left(\left(6 x\right)^{2} \right)}}$$