1
/
| 5 5 2 3 4 4 3 2
| 2 5 2344*sin (1) 298*cos (1) 812*cos (1)*sin (1) 73*cos (1)*sin(1) 16*sin (1)*cos(1) 104*cos (1)*sin (1)
| x *cos (x) dx = - ------------ + ----------- - ------------------- - ----------------- + ----------------- + -------------------
| 3375 225 675 225 15 45
/
0
$${{621\,\sin 5+270\,\cos 5+4375\,\sin 3+3750\,\cos 3-33750\,\sin 1+
67500\,\cos 1}\over{54000}}$$
Ответ (Неопределённый)
[src] /
| 5 2 3 4 2 5 5 2 2 3 4 3 2
| 2 5 4144*sin (x) 1712*cos (x)*sin (x) 298*cos (x)*sin(x) 8*x *sin (x) 298*x*cos (x) 2 4 4*x *cos (x)*sin (x) 16*x*sin (x)*cos(x) 104*x*cos (x)*sin (x)
| x *cos (x) dx = C - ------------ - -------------------- - ------------------ + ------------ + ------------- + x *cos (x)*sin(x) + -------------------- + ------------------- + ---------------------
| 3375 675 225 15 225 3 15 45
/
$${{\left(675\,x^2-54\right)\,\sin \left(5\,x\right)+270\,x\,\cos
\left(5\,x\right)+\left(5625\,x^2-1250\right)\,\sin \left(3\,x
\right)+3750\,x\,\cos \left(3\,x\right)+\left(33750\,x^2-67500
\right)\,\sin x+67500\,x\,\cos x}\over{54000}}$$