Giải các phương trình:
\(2{{\sin }^{2}}x-\sqrt{3}\sin 2x-1=\sqrt{3}\sin x-\cos x\)
A.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{2}\,\,\left( {k \in Z} \right)\).
B.\(x = \frac{{1\pi }}{3} + \frac{{k2\pi }}{3}\,\,\left( {k \in Z} \right)\).
C.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{6}\,\,\left( {k \in Z} \right)\).
D.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{3}\,\,\left( {k \in Z} \right)\).
\(2{{\sin }^{2}}x-\sqrt{3}\sin 2x-1=\sqrt{3}\sin x-\cos x\)
A.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{2}\,\,\left( {k \in Z} \right)\).
B.\(x = \frac{{1\pi }}{3} + \frac{{k2\pi }}{3}\,\,\left( {k \in Z} \right)\).
C.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{6}\,\,\left( {k \in Z} \right)\).
D.\(x = \frac{{2\pi }}{3} + \frac{{k2\pi }}{3}\,\,\left( {k \in Z} \right)\).
Loga
Hóa Học lớp 12
