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.\( - \dfrac{1}{6}\cos 6x - \dfrac{5}{2}\sin 2x + 8\)
Loga
Hóa Học lớp 12
