Tìm tập xác định của hàm số $y=\tan \left( {2x-\frac{\pi }{4}} \right)$.
A. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{7}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
B. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{8}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
C. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{5}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
D. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{4}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
A. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{7}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
B. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{8}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
C. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{5}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
D. $D=\mathbb{R}\backslash \left\{ {\frac{{3\pi }}{4}+\frac{{k\pi }}{2},k\in \mathbb{Z}} \right\}$
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Hóa Học lớp 12
