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-x).
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.
)的最大、最小值及相应的x值.
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|sinx|.(1)求f(x)定义域与值域；（2）判断f(x)周期性.若是周期函数，求周期.
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)的最小正周期为T，且T∈(1,3),则正整数ω的最大值是__________.
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