Tập xác định của hàm số \(y = \sqrt[3]{{\sin 2x - \tan \,x}}\) là:
A.\(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k\pi ,k \in \mathbb{Z}} \right\}\).
B.\(D = \left\{ {x \in \mathbb{R},\,x \ne k\dfrac{\pi }{2},k \in \mathbb{Z}} \right\}\).
C.\(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k2\pi ,k \in \mathbb{Z}} \right\}\).
D.\(D = \left\{ {x \in \mathbb{R},\,x \ne k\pi ,k \in \mathbb{Z}} \right\}\).
A.\(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k\pi ,k \in \mathbb{Z}} \right\}\).
B.\(D = \left\{ {x \in \mathbb{R},\,x \ne k\dfrac{\pi }{2},k \in \mathbb{Z}} \right\}\).
C.\(D = \left\{ {x \in \mathbb{R},\,x \ne \dfrac{\pi }{2} + k2\pi ,k \in \mathbb{Z}} \right\}\).
D.\(D = \left\{ {x \in \mathbb{R},\,x \ne k\pi ,k \in \mathbb{Z}} \right\}\).
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Hóa Học lớp 12
