已知角
的终边过点
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3654254401fc902c3cb4912969f21f88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a92e47a1376fa85a060e1319833f09e1.png)
A.![]() | B.![]() | C.![]() | D.5 |
更新时间:2019-12-28 17:37:56
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解题方法
【推荐1】已知角
的顶点与坐标原点重合,始边与
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【推荐2】若角
的终边与直线y=x重合,且
,则
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【推荐1】已知函数
的零点是
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,A,B为
的两个内角,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5d4c8e45990f11904c95d39b90adc44.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff974c98a559d438ec57d314ba24947.png)
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![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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【推荐2】已知角
的顶点与原点O重合,始边与x轴的非负半轴重合,它的终边经过点A(1,-3),则
=( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40a8f945ca261d50888276d340da4381.png)
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