题目
题型:不详难度:来源:
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-65170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-52557.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-69641.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-77802.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-80443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-81884.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-80443.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-44860.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-69272.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-80381.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-50592.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-65170.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-39184.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-97181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-99543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201357-97181.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201356-65170.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
答案
解析
试题分析:设在斜坐标系下,圆上的点
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201358-54368.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201358-21067.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201358-49543.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201359-57611.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201359-59897.png)
∴
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201359-42208.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201358-28215.png)
核心考点
试题【定义:平面内两条相交但不垂直的数轴构成的坐标系(两条数轴的原点重合且单位长度相同)成为平面斜坐标系. 在平面斜坐标系中,(其中,分别是斜坐标系轴,轴正方向上的单】;主要考察你对空间向量的直角坐标运算等知识点的理解。[详细]
举一反三
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201343-13918.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201343-49312.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201343-29273.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201343-97785.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201344-26850.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201344-93594.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201344-36548.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201345-74765.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201346-52914.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201336-47214.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201336-49188.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201336-21784.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201337-62250.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201337-13767.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201337-48958.png)
A.![]() | B.![]() | C.![]() | D.![]() |
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201331-70309.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201331-95380.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201324-84865.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201324-13370.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201324-37945.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201317-43851.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201317-58542.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201317-24660.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201317-94734.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201318-66163.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201318-23342.png)
![](http://img.shitiku.com.cn/uploads/allimg/20191105/20191105201318-30016.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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