角
的终边与单位圆交于
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b363797455e171e5dff9193eb28cc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bfbfc279dd6f2739f6f004f283005b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4b363797455e171e5dff9193eb28cc9.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2017-07-19 21:44:34
|
【知识点】 由终边或终边上的点求三角函数值解读
相似题推荐
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】在直角坐标系
中,角
的顶点在原点,始边与
的非负半轴重合,终边经过点
,则
的值为( )
![](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/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db81446766bb8f493d6fc49e65f0d495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edbab69a698bdd22a84613786bba4384.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
【推荐2】已知向量
,将
绕原点
逆时针旋转
到
的位置,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac0873cbd904507a68f1485858295776.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cec64476aaca08de0808afda3618109c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79a97bb4dcfab4ec7539bc783d563c49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4ea9e9a1aee343cdcf8a22944ea0043.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/914bb1fc0449f88218d20752f948414c.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次