TÌM (SIN X COS3X)DX33 B. COSX 3SIN3X C  C.  COSX 1SIN3X C3 D. ...

Câu 2: Tìm

(sin x cos3x)dx



3

3

B.

cosx 3sin3x C





C.



cosx



1

sin3x C



3

D.



cosx



1

sin3x C



A.

cosx



1

sin3x C













^5e

^3x

_{6x 7}

¹

^dx





