(1)已知角
终边所在直线经过点
,求
的值;
(2)已知
求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48befa5d90fafd8bfdb6c90fd241ebfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc451f2174ad1c3e47151f87c18a6bb4.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dedc600e7526fbc4beaa41bc0c26baa4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b04da7eac640b5b735da7fb5da8cfd.png)
更新时间:2023-01-13 21:21:51
|
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【推荐2】在平面直角坐标系中,点
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