1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c73626441d3b0602b49e5d90f845435.png)
_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7462bd5fd934229b49acb8ddad4845a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c73626441d3b0602b49e5d90f845435.png)
您最近一年使用:0次
名校
解题方法
2 . 在平面四边形
中,
,
,
,
,
,
,当点
为边
的中点时,
的值为________ ,若点
为边
上的动点,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1134c8e3440abb6cd385af2c169037fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05740f0c6071846227dc0ec177ad15e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4f4e14114252f9633e351fc4fb62c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ed186f49c842b14560d500477249173.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf37f03688dc4f3fb230c5ece01f56b3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/941eba4dbc1094107e1eeb02c8d8cd56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e638de575c4a0a00f19d9a2b2f4579c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e638de575c4a0a00f19d9a2b2f4579c.png)
您最近一年使用:0次
2022-01-08更新
|
864次组卷
|
4卷引用:浙江省舟山中学2022届高三下学期4月市统考考前模拟数学试题
浙江省舟山中学2022届高三下学期4月市统考考前模拟数学试题天津市五校2021-2022学年高三上学期期中联考数学试题(已下线)思想02 分类与整合思想(练)--第三篇 思想方法篇-《2022年高考数学二轮复习讲练测(浙江专用)》(已下线)思想02 分类与整合思想(讲)--第三篇 思想方法篇-《2022年高考数学二轮复习讲练测(新高考·全国卷)》
解题方法
3 . 已知平面向量
,
夹角为
,若
,则
的最小值为______ .
![](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/f6b86c22b670a8e9f3896f9e8883fbbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8ae0d7b3266f32b6a916b6237b6b838.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/827cebcd0b7625f22e93f2fc1f80e2a9.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
、
为不共线的单位向量,设
,
,若对任意向量
、
均有
成立,向量
、
夹角的最大值是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c23dd3ddfd833a872233d9d57012cac2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c1af2f1b7141950ccd7581faca2c72e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/457c0c933dbb8f5c41156dbae7dde980.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05b28baf17059c56ee9ad1ae4814acd8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b04618e5b2db68f2de6ba68972c505c.png)
您最近一年使用:0次
名校
解题方法
5 . 边长为1的正三角形ABC内一点M(包括边界)满足:
,则
的取值范围为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d789e35be6c0ef817ebf6dbb984dc4a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ebdf218e36e76c42116f5a40c3b8b7c.png)
您最近一年使用:0次
名校
6 . 函数
(其中
)的图象如图所示,则函数
的解析式为_____________ ,方程
(其中
)在
内所有解的和为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ec89c3bc454d209007c2b29baeeb3b0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef13d95b3197e743136bf450a961163a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8eb2e46f49adba6036e2624639a1b966.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0ed21a57245da783db72cefa7951b9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b24192cace1d2a643fc3a42a5b7ac273.png)
![](https://img.xkw.com/dksih/QBM/2018/3/12/1900406595043328/1904166957457408/STEM/6e5b80c7f8054ccea07207efb0511ea9.png?resizew=121)
您最近一年使用:0次
名校
7 . 若两个非零向量
满足|
,则向量
与
的夹角的大小为______________ ,
在
方向上的投影为_________________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64fa2fcefaf3d8868da0cb52877c5247.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ffe6c2f56cf29b6e37a7a724105936d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/614b003a9f14fed694128f681b2f1d91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ff655de43e2bfea4ed9ae34e36de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd4ff655de43e2bfea4ed9ae34e36de0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ab17fd4247cdd710c363d5d3fbc5bd.png)
您最近一年使用:0次
8 . 若
,
与
的夹角为45°,要使
与
垂直,则k=________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8298faf74e719951f41250f04b131c3d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/433b94c39737727e53468df419d8314a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7156a6bc0dc53da7f3ce74ae2e304251.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb80eb942aafb194fadc473776f35b1d.png)
您最近一年使用:0次
2017-07-12更新
|
489次组卷
|
5卷引用:2010-2011年浙江省嵊泗中学高二第二学期5月月考文科数学
(已下线)2010-2011年浙江省嵊泗中学高二第二学期5月月考文科数学河南省兰考县第二高级中学2016-2017学年高二下学期期末考试数学(文)试题上海市松江区松江二中2017-2018学年高二上学期第一次月考数学试题云南省普洱市2017-2018学年高二下学期期末考试数学(文)试题云南省普洱市2017-2018学年高二下学期期末考试数学(理)试题
解题方法
9 . 如图,直线
,垂足为O,已知
中,
为直角,AB=2,BC=1,该直角三角形做符合以下条件的自由运动:(1)
,(2)
.则C、O两点间的最大距离为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/102e1731e0c06ab970e273c3fd0f5f57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d39b8d91afc34e4a9b0fdbb6bafb9087.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a30262f17d1e521b48d773da22ebf452.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcf2a47e92905ab5564a0c60951d332a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/3/19/aac99c58-b9ca-414e-acb8-2f88f446b819.png?resizew=168)
您最近一年使用:0次
2016-12-04更新
|
682次组卷
|
3卷引用:浙江省舟山市2018-2019学年高二上学期期末数学试题