(8分)已知函数  (1)计算函数的周期; (2)将函数图像上所有的点

(8分)已知函数

 (1)计算函数的周期;

(2)将函数图像上所有的点向右平移个单位,得到函数的图像,写出函数的表达式.

答案

答案

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