名校
解题方法
1 . 已知
,则
可用k表示为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d137598364451e46ad303a5419f7f446.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51b7ce1514d2892b0ed7a2b32bf4c1a9.png)
您最近一年使用:0次
名校
解题方法
2 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b0f66f4dfad47668d221160e9c102d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fafa65bb2def5af421d10462101f0fa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
您最近一年使用:0次
名校
3 . 若
,则化简
的结果是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8d609f7b81c4c80261229ed10d1c1ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8906ce2533507cbadd6fa5a34211f2ca.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
4 . 已知点P是直线
上一点,将
绕坐标原点
逆时针旋转
至
,此时点
恰好在直线
上,则实数![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08b9f0b9e53a83e68f5fec944f343119.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f0009063fe00277645aff1be6e32471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac02a054bd0771a56987af33454baaea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd707b69a11f8de5566f23c1a2a9ff5a.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3e876fb9f5e51c51402f89139eb044.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27b1ae79c08d206597df2283d6fff2b4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa3e876fb9f5e51c51402f89139eb044.png)
您最近一年使用:0次
6 . 如图,长为2,宽为1的矩形木块,在桌面上作无滑动翻滚,翻滚到第三面后被一小木块挡住,使木块底与桌面成
角,则点
走过的路程是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/4/2/8108a71d-fd7a-41f7-9c11-5e3333108b66.png?resizew=269)
您最近一年使用:0次
名校
7 . 已知点
,
,则
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e584f799ea554fc5533925ead4672501.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf1bfd30237dce059d0107506d7be9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a014dff8997c661055229de29c61cfc.png)
您最近一年使用:0次
名校
8 . 函数
,若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15346aa709cd25bba927ade76b5d1d8c.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cf16a1034c29d529acaa626ff36223b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5530966ad60e9e298c32c48d3ad2e3c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15346aa709cd25bba927ade76b5d1d8c.png)
您最近一年使用:0次
名校
解题方法
9 . 已知平面向量
,
的夹角为
,且
,
,
,
.
(1)若
,求λ;
(2)当
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22bc898c85a1c02da3491572c3d99bdb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62c7d3b256fec1c30b6dd2a7b8e202f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8406c576feb839e9642d6b042fe4914e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a14e0823e3083ee73d374700835dfdb.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a36228810d0c2f6c6e53584c1ac176b.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2f2d7c81cb44416bcdf59419637682.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c84fc4cb06a4530bdbc77f0da6e1af4.png)
您最近一年使用:0次
解题方法
10 . 在平面直角坐标系中,对任意角
,设
的终边上异于原点的任意一点
的坐标为
,它与原点的距离是
.我们规定:比值
分别叫做角
的正割、余割、余切,分别记作
,则下列叙述正确的有( )个.
①
;
②
;
③
;
④
有意义的条件是
;
⑤
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/82a79a33a83a7ba57a34b5093d1d1d02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e95dcba475a8e4b581c31c770199aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3ad81d7f478b49ca8bf4927a6e8880c.png)
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1304f25bfdd5a5d7504f89aa6195ec8.png)
②
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14584370ddf4d9e6713d46146b47ffd8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/17621648361b392a77642935e4683e71.png)
④
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9085195f5d04d5e224f4c8df470a9c7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e08917d394e5325ea38d991ffb84741.png)
⑤
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/edb15a153edf022bc907cb4d6e7949f7.png)
A.0 | B.1 | C.2 | D.3 |
您最近一年使用:0次