已知
,且
为第二象限角,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9bc052a11cf1a01445992672dde2836.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6cc9750c313ee972124cb62c4a6fb7ea.png)
13-14高三上·山东潍坊·阶段练习 查看更多[2]
更新时间:2016-12-02 13:15:52
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【推荐1】若
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a641a222b9e9d2ed898a272c86c75a4.png)
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您最近一年使用:0次
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