名校
解题方法
1 . 已知在
中,
,
;则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459459559720ab5e154a80723c47cc30.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ac071648020527d82c66e549c75f0d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b734dfa4c32cb3f6870bfd0193ba3bfd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/459459559720ab5e154a80723c47cc30.png)
您最近一年使用:0次
名校
2 . 已知向量
,将
绕原点O沿逆时针方向旋转
到
的位置,则点
的坐标________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a66912d83d334ac2e50f4f7dcd360062.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29e0c2455a9e796bba6861503f0fe31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96cb7ee166966ed0b1605c263e433cf8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
您最近一年使用:0次
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2764683f599af15151de4308e3d9613.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42e0ea9fcd25467da282fc8cbb15d527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c2764683f599af15151de4308e3d9613.png)
您最近一年使用:0次
解题方法
4 . 在平面直角坐标系中,已知点
为角
终边上一点,若
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/889a5e04c5187fb20415a59ce6adeed5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35329d6503ba0a4a313fb02b9eecca5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
您最近一年使用:0次
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a9cf263621dbda857db17cfe36ac97.png)
______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/870916b9c4361cd296bca79010487812.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86a9cf263621dbda857db17cfe36ac97.png)
您最近一年使用:0次
2023-09-11更新
|
727次组卷
|
2卷引用:辽宁省部分学校2023-2024学年高三上学期开学摸底考试数学试题
名校
解题方法
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cd545ad7a19c5f4e6be5063c894bc6.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a961dff47447bb2db5bcdf42b8f843cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/26cd545ad7a19c5f4e6be5063c894bc6.png)
您最近一年使用:0次
解题方法
7 . 已知
,
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf57aea56fecf45cf453206a00d688d0.png)
,则
的值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527e4ff6df4a0c447c09006a0e22db40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29f6eca9a9cda6e3f85f5f4d2f121e57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd640674fdfe6aee31b6234232a15dd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf57aea56fecf45cf453206a00d688d0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/483fd6cb9156ccd844d89e5f35bf31ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4b04da7eac640b5b735da7fb5da8cfd.png)
您最近一年使用:0次
2023-08-18更新
|
430次组卷
|
3卷引用:辽宁省辽东南协作体2023-2024学年高二上学期9月月考数学(B卷)试题
名校
8 . 已知
,将
绕原点
沿顺时针方向旋转45°到
的位置,则
点的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc2d8597c31fd71a6005ca88763272a0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91174b2336306191ba275a87864172b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4731335d26e45bf7041b36c5f0a1121d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
您最近一年使用:0次
2023-05-14更新
|
643次组卷
|
2卷引用:辽宁省大连市滨城高中联盟2022-2023学年高一下学期期中考试数学试题
名校
解题方法
9 .
,则
的夹角为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e277f463fee3e3d6979c1708ad6892ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e8b95a61af300412fc65f846089028.png)
您最近一年使用:0次
2023-05-11更新
|
648次组卷
|
3卷引用:辽宁省六校2022-2023学年高一下学期6月联考数学试题
解题方法
10 . 已知
,则
的值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c71e50e301c4265df7da07e99c2e6b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe9fa1e41c7b0d2f5d433dc1b75ba2f5.png)
您最近一年使用:0次