/3 2(CĐSP BN04) (CĐSP NB04)2XX X 24. 1/ 4COS 1 COSSINDX...
23.
/3
2
(CĐSP BN04) (CĐSP NB04)2xx x
24.
1
/ 4
cos 1 cos
sindxx x dx/3
2
(CĐSP BN04) (CĐSP NB04)2xx x
1
/ 4
cos 1 cos
sindxx x dx