解题方法
1 . 在直角坐标系xOy中,锐角
的顶点为坐标原点,始边与x轴的非负半轴重合,若终边与单位圆交于点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4275169075a63d3cb8252265d326dc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95638b974dff20dbba734414cdb1f8ed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
2 . 在平面直角坐标系xOy中,角θ是以O为顶点,Ox轴为始边,若角θ的终边过点
,则
的值等于____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dfd2e4d3c0473facb9113e53b5bdb4cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c136aaf9b5dedec254a92ce302f4a70c.png)
您最近一年使用:0次
2023-03-22更新
|
249次组卷
|
2卷引用:贵州省2023届高三3+3+3高考备考诊断性联考(二)数学(文)试题
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3 .
的内角
,
,
的对边分别为
,
,
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4239165ee886662653d8da4c567a79d.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6faeed1b75b199eeb1662433168cad61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4239165ee886662653d8da4c567a79d.png)
您最近一年使用:0次
2019-05-09更新
|
1287次组卷
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4卷引用:【市级联考】贵州省贵阳市2019届高三5月适应性考试(二)文科数学试题