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[函数] 2016泰州高三数学期末考试的一道三角试题

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aishuxue Post time 2016-1-27 10:36 |Read mode
百思不得其解
2.jpg

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敬畏数学 Post time 2016-1-27 11:53
-2π/3

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游客 Post time 2016-1-27 12:31
本帖最后由 游客 于 2016-1-27 15:30 编辑 若函数f(x)的最小正周期是2π,要在一个周期内有三个函数值相等?
难道是常数函数!
感觉是考脑筋急转弯。

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longzaifei Post time 2016-1-27 15:34
回复 3# 游客
好像只能这样。

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isee Post time 2016-1-28 12:55
本帖最后由 isee 于 2016-1-28 13:11 编辑 这个有点冷

楼主,楼上说得用图表示就是这样子:
snap.png

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