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1 . 已知锐角
的终边上一点
,则锐角![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700d197002fd8327b1b73d5df72355bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a5275bdcba68e92572cfb29d050c0d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700d197002fd8327b1b73d5df72355bc.png)
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2016-12-04更新
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692次组卷
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3卷引用:2016届吉林四平一中高三五模理科数学试卷