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函数\(f\left ( {x} \right )=\tan {\left ( {2x-\frac {\pi } {3}} \right )}-1\)图象的一个对称中心为( )
A.\(\left ( {\frac {\pi } {12},-1} \right )\)
B.\(\left ( {\frac {7\pi } {12},-1} \right )\)
C.\(\left ( {-\frac {7\pi } {12},1} \right )\)
D.\(\left ( {-\frac {\pi } {12},-1} \right )\)
参考答案:D
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