Phương trình \(2{\sin ^2}x + \sqrt 3 \sin 2x = 3\) có nghiệm là:
A.\(x = \frac{\pi }{3} + k\pi ,\,\,k \in \mathbb{Z}.\)
B.\(x = \frac{{2\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
C.\(x = \frac{{4\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
D.\(x = \frac{{5\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
A.\(x = \frac{\pi }{3} + k\pi ,\,\,k \in \mathbb{Z}.\)
B.\(x = \frac{{2\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
C.\(x = \frac{{4\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
D.\(x = \frac{{5\pi }}{3} + k\pi ,\,\,k \in \mathbb{Z}\)
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Hóa Học lớp 12
