Nghiệm của phương trình \(\sin \left( {x + \dfrac{\pi }{6}} \right) = \dfrac{{\sqrt 3 }}{2}\) trong khoảng \(\left( {0;\,\,2\pi } \right)\) là:
A.\(\left[ \begin{array}{l}x = \dfrac{\pi }{6} + k2\pi \\x = \dfrac{\pi }{2} + k2\pi \end{array} \right.\)
B.\(\left[ \begin{array}{l}x = \dfrac{\pi }{6}\\x = \dfrac{\pi }{2}\end{array} \right.\)
C.\(x = \dfrac{{2\pi }}{3}\)
D.\(\left[ \begin{array}{l}x = 0\\x = \dfrac{{2\pi }}{3}\\x = 2\pi \end{array} \right.\)
A.\(\left[ \begin{array}{l}x = \dfrac{\pi }{6} + k2\pi \\x = \dfrac{\pi }{2} + k2\pi \end{array} \right.\)
B.\(\left[ \begin{array}{l}x = \dfrac{\pi }{6}\\x = \dfrac{\pi }{2}\end{array} \right.\)
C.\(x = \dfrac{{2\pi }}{3}\)
D.\(\left[ \begin{array}{l}x = 0\\x = \dfrac{{2\pi }}{3}\\x = 2\pi \end{array} \right.\)
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