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高中数学必修 第一册(648题)



已知函数\(f\left ( {x} \right )=a\sin {x+b\cos {x\left ( {ab≠0} \right )}}\)的图象关于\(x=\frac {\pi } {6}\)对称,且\(f\left ( {{x}_{0}} \right )=\frac {8} {5}a\),则\(\sin {\left ( {{2x}_{0}+\frac {\pi } {6}} \right )}\)的值是(  )



A.\(-\frac {7} {25}\)

B.\(-\frac {24} {25}\)

C.\(\frac {7} {25}\)

D.\(\frac {24} {25}\)


知识点:第五章 三角函数


参考答案:C

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