/4 __________ 2*x*cos(8*x)\ -x 4 __________ -x
|\/ sin(8*x) + ------------|*e - x*\/ sin(8*x) *e
| 3/4 |
\ sin (8*x) /
$$- x e^{- x} \sqrt[4]{\sin{\left(8 x \right)}} + \left(\frac{2 x \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}} + \sqrt[4]{\sin{\left(8 x \right)}}\right) e^{- x}$$
/ / 2 \ \
| 4 __________ 4 __________ | 4 __________ 3*cos (8*x)| 4*cos(8*x) 4*x*cos(8*x)| -x
|- 2*\/ sin(8*x) + x*\/ sin(8*x) - 4*x*|4*\/ sin(8*x) + -----------| + ----------- - ------------|*e
| | 7/4 | 3/4 3/4 |
\ \ sin (8*x)/ sin (8*x) sin (8*x) /
$$\left(- 4 x \left(4 \sqrt[4]{\sin{\left(8 x \right)}} + \frac{3 \cos^{2}{\left(8 x \right)}}{\sin^{\frac{7}{4}}{\left(8 x \right)}}\right) + x \sqrt[4]{\sin{\left(8 x \right)}} - \frac{4 x \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}} - 2 \sqrt[4]{\sin{\left(8 x \right)}} + \frac{4 \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}}\right) e^{- x}$$
/ / 2 \ \
| | 21*cos (8*x)| |
| 8*x*|20 + ------------|*cos(8*x)|
| 2 / 2 \ | 2 | |
| 4 __________ 4 __________ 36*cos (8*x) 12*cos(8*x) | 4 __________ 3*cos (8*x)| 6*x*cos(8*x) \ sin (8*x) / | -x
|- 45*\/ sin(8*x) - x*\/ sin(8*x) - ------------ - ----------- + 12*x*|4*\/ sin(8*x) + -----------| + ------------ + --------------------------------|*e
| 7/4 3/4 | 7/4 | 3/4 3/4 |
\ sin (8*x) sin (8*x) \ sin (8*x)/ sin (8*x) sin (8*x) /
$$\left(\frac{8 x \left(20 + \frac{21 \cos^{2}{\left(8 x \right)}}{\sin^{2}{\left(8 x \right)}}\right) \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}} + 12 x \left(4 \sqrt[4]{\sin{\left(8 x \right)}} + \frac{3 \cos^{2}{\left(8 x \right)}}{\sin^{\frac{7}{4}}{\left(8 x \right)}}\right) - x \sqrt[4]{\sin{\left(8 x \right)}} + \frac{6 x \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}} - 45 \sqrt[4]{\sin{\left(8 x \right)}} - \frac{12 \cos{\left(8 x \right)}}{\sin^{\frac{3}{4}}{\left(8 x \right)}} - \frac{36 \cos^{2}{\left(8 x \right)}}{\sin^{\frac{7}{4}}{\left(8 x \right)}}\right) e^{- x}$$