Hàm số $y=\frac{cosx}{2sinx-\sqrt{3}}$ có tập xác định là

Question

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4 câu trả lời

Answer 1

$\mathbb{R}\setminus \left \{ \frac{\pi }{3}+k2\pi,k\in \mathbb{Z} \right \}$

Answer 2

$\mathbb{R}\setminus \left \{ \frac{\pi }{6}+k2\pi,k\in \mathbb{Z} \right \}$

Answer 3

$\mathbb{R}\setminus \left \{ \frac{\pi }{6}+k2\pi,\frac{5\pi }{6}+k2\pi, k\in \mathbb{Z} \right \}$

Answer 4

$\mathbb{R}\setminus \left \{ \frac{\pi }{3}+k2\pi,\frac{2\pi }{3}+k2\pi, k\in \mathbb{Z} \right \}$