已知函数\(y＝A\sin {\left ( {ωx+φ} \right )}\left ( {A0，ω0} \right )\)一个周期-可可试卷app

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已知函数\(y＝A\sin {\left ( {ωx+φ} \right )}\left ( {A>0，ω>0} \right )\)一个周期的图象如图所示，则该函数可以是（　　）

A.\(y=4\sin {\left ( {\frac {1} {2}x+\frac {3\pi } {4}} \right )}\)

B.\(y=4\sin {\left ( {\frac {1} {2}x+\frac {5\pi } {4}} \right )}\)

C.\(y=4\sin {\left ( {2x+\frac {3\pi } {4}} \right )}\)

D.\(y=4\sin {\left ( {2x+\frac {5\pi } {4}} \right )}\)

参考答案：B