A.\(\cos x + {\sin ^2}x - \dfrac{{{{\sin }^3}x}}{3} - \dfrac{{{{\cos }^4}x}}{4} + C\)
B.\(\sin x + \dfrac{{{{\sin }^2}x}}{2} - \dfrac{{{{\sin }^3}x}}{3} - \dfrac{{{{\cos }^4}x}}{4} + C\)
C.\( - \dfrac{{{{\sin }^4}x}}{4} - \dfrac{{{{\sin }^3}x}}{3} + \dfrac{{{{\cos }^2}x}}{2} + \sin x + C\)
D.\( - \dfrac{{{{\sin }^4}x}}{4} - \dfrac{{{{\sin }^3}x}}{3} + \dfrac{{{{\cos }^2}x}}{2} - \sin x + C\)

A.\(\cos x + {\sin ^2}x - \dfrac{{{{\sin }^3}x}}{3} - \dfrac{{{{\cos }^4}x}}{4} + C\)
B.\(\sin x + \dfrac{{{{\sin }^2}x}}{2} - \dfrac{{{{\sin }^3}x}}{3} - \dfrac{{{{\cos }^4}x}}{4} + C\)
C.\( - \dfrac{{{{\sin }^4}x}}{4} - \dfrac{{{{\sin }^3}x}}{3} + \dfrac{{{{\cos }^2}x}}{2} + \sin x + C\)
D.\( - \dfrac{{{{\sin }^4}x}}{4} - \dfrac{{{{\sin }^3}x}}{3} + \dfrac{{{{\cos }^2}x}}{2} - \sin x + C\)

A.\(2x - \dfrac{1}{{10}}\sin 10x - \dfrac{1}{5}\cos 10x\)
B.\(2x - \dfrac{1}{{10}}\sin 10x - \dfrac{2}{5}\cos 10x\)
C.\(2x - \dfrac{1}{5}\sin 10x - \dfrac{1}{{10}}\cos 10x\)
D.\(2x - \dfrac{3}{{10}}\sin 10x - \dfrac{2}{5}\cos 10x\)

A.\( - \dfrac{1}{6}\cos 6x - \dfrac{1}{2}\cos 2x + 6\)
B.\( - \dfrac{1}{6}\cos 6x - \dfrac{3}{2}\cos 2x + 6\)
C.\( - \dfrac{1}{6}\cos 6x - \dfrac{{\sqrt 3 }}{2}\cos 2x + 8\)
D.\( - \dfrac{1}{6}\cos 6x - \dfrac{5}{2}\sin 2x + 8\)

A.
B.
C.
D.

A.4
B.5
C.0
D.6

A.2
B.4
C.0
D.8

A.\(A = B\)
B.\(A > B\)
C.\(A < B\)
D.không so sánh được

A.0
B.9
C.3
D.1

A.21
B.27
C.23
D.24