已知
,则
的值是____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51474d91e540a475138571e8738de850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fd8180b3831e3b2c066d33ac8261a1b.png)
更新时间:2020-02-21 00:47:21
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解题方法
【推荐1】若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45c84eb6ae7e07a9a353d9c0515abae.png)
________ .
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填空题-单空题
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【推荐2】已知
,
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__________ .
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您最近一年使用:0次
填空题-单空题
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较易
(0.85)
解题方法
【推荐1】若点
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终边上的一点,且
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__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d74ebe34a4813c80d40c9d56d330c05.png)
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