已知角
终边与单位圆的交点为
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
________ ;![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6108e87d75dd1874027fe8556f49d5be.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ca4232eb41ef35d697e4fa6d2d76efe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38dd8aad9cfb5e1fe2a45d80923f1571.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6108e87d75dd1874027fe8556f49d5be.png)
更新时间:2021-02-01 15:38:44
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相似题推荐
填空题-单空题
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【推荐1】已知
为角
的终边上的一点,且
,则实数
的值为____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec2390dc2b3ea62360c782ad89ae817f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc3129244f8ed5b406c4e1863b8cf9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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】在平面直角坐标系
中,锐角
的终边与单位圆
交于点
,将点
沿单位圆绕原点
按逆时针方向旋转
,得到点
,则点
的纵坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f240cccaf24af8a796abb95cb42be52e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5edcddd3e01c539a6d8c24f40e469b90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ad85e428467065ccc1a5d8c4768f16.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
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【推荐2】在平面直角坐标系
中,以
轴为始边作锐角
,它的终边与单位圆相交于点
,且点
的横坐标为
,则
的值为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954795d1842974a705f9468f3b952ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10a7a7b214d03134a2e9e50a7de1ba52.png)
您最近一年使用:0次
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解题方法
【推荐1】若
,则
的值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51dc3e3f694c3244429fdda0e180b718.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/035a2ff69fc1d75704e692cc9586f8df.png)
您最近一年使用:0次
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解题方法
【推荐2】已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a27fcf0a3334720aa37c19b5082ce24.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5bfa9be59705334b45022c89f904b215.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a27fcf0a3334720aa37c19b5082ce24.png)
您最近一年使用:0次