f(x)=Asin(ωx+φ)(A>0，ω>0，−π2<φ<&#

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f(x)=Asin(ωx+φ)(A>0，ω>0，−π

<φ<π

) 的部分图象如图所示，则函数f（x）的解析式为（）

A： $f (x) = 2 s i n (2 x - \frac{π}{6})$

B： $f (x) = 2 s i n (x + \frac{π}{6})$

C： $f (x) = 2 s i n (2 x + \frac{π}{3})$

D： $f (x) = 2 s i n (2 x + \frac{π}{6})$

上一题下一题 0.0难度选择题更新时间:2014-03-19 10:02:02

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