已知
,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9a72d642373e946c465e1a9f394718e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
更新时间:2022-03-27 22:18:42
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【知识点】 三角函数定义的其他应用解读
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【推荐2】已知钝角
的终边经过点
,且
,则
的值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/487d73987bd8731adf6bff8923fa4a61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0ea3acd83c2a33956fe4b57bc4542c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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