Nghiệm của phương trình \(\sin x.\cos x.\left( {{{\sin }^2}x - {{\cos }^2}x} \right) = 0\) là:
A.\(x = \dfrac{{k\pi }}{2}\,\,\left( {k \in \mathbb{Z}} \right)\)
B.\(x = k\pi \,\,\left( {k \in \mathbb{Z}} \right)\)
C.\(x = \dfrac{{k\pi }}{8}\,\,\left( {k \in \mathbb{Z}} \right)\)
D.\(x = \dfrac{{k\pi }}{4}\,\,\left( {k \in \mathbb{Z}} \right)\)
A.\(x = \dfrac{{k\pi }}{2}\,\,\left( {k \in \mathbb{Z}} \right)\)
B.\(x = k\pi \,\,\left( {k \in \mathbb{Z}} \right)\)
C.\(x = \dfrac{{k\pi }}{8}\,\,\left( {k \in \mathbb{Z}} \right)\)
D.\(x = \dfrac{{k\pi }}{4}\,\,\left( {k \in \mathbb{Z}} \right)\)
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Hóa Học lớp 12
