cos(2π-α)=
,且α∈
,则tan(π-α)=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3fe2c533dbc23a34518f72f3cb14f330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acb1022cc69dcf355f869844b0ae810f.png)
2021高一·全国·专题练习 查看更多[2]
更新时间:2022-01-02 22:34:34
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【推荐1】已知
,
为第二象限角,则
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49f01f065aa9211b30f2e16fe05d9d72.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
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