已知函数
的图象的一条对称轴是
则
=________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d1c2a131cf175a1d6983e5d3818ae44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18c3f08db68232e8fa446455c3fbfe59.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
更新时间:2020-06-17 10:34:10
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【推荐1】已知函数
在区间
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【推荐2】已知函数
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解题方法
【推荐1】已知
为锐角且满足
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【推荐2】若
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