名校
1 . 已知
,则
的取值范围是__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dafecab8eab9319b30ecc29032cf39e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
名校
解题方法
2 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a533a75de80236bb96e0de6cf1a60a4c.png)
__ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c22a132a6da403affa89f3b0abe1053f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a533a75de80236bb96e0de6cf1a60a4c.png)
您最近一年使用:0次
名校
解题方法
3 . 已知
.求
(1)
的值;
(2)
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9a7de5b70003502e40b95b3b7d3d933.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22b5374da188eacc1f979258bd8bdcad.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de977a667914041845b6fe50cde173ea.png)
您最近一年使用:0次
2022-04-28更新
|
616次组卷
|
3卷引用:上海财经大学附属北郊高级中学2021-2022学年高一下学期3月月考数学试题
名校
4 . 已知角
终边上一点
的坐标为
.
(1)化简下列式子并求其值:
;
(2)求角
的集合.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a823a5c40ccda40f9bdbf0c1b8f5997.png)
(1)化简下列式子并求其值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8f2f370de32099f77637617dce5cc5b.png)
(2)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb5df7dcdc5112c4e8cbe16df671c92.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c01468c211fdc96b6315b4674bf638d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f8783429be686df75afcd56e847dfa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1cb5df7dcdc5112c4e8cbe16df671c92.png)
您最近一年使用:0次
6 . (1)化简:
;
(2)向量
,
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8733cf6f4511c03430644862022d36f0.png)
(2)向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf5df577fbed4dbe1ee6073374c26f5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a5053c4b6405aea48d20941604f259.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70facc9bc02af0867d248407bd317c05.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d58af3c19e95b132e6025e75b8560180.png)
您最近一年使用:0次
名校
7 . 已知点
在圆
上,
为
的中点,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ec698d75a2682b5550948bffcc0ed07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2cdba1337ec85fa9722cb4b320a82ae6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6548cc167b6bdacdf66b91160d87216.png)
您最近一年使用:0次
名校
解题方法
8 . 已知
,则
的值为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64e64feac16b30789ad22cc76eda0bef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7aee715ac87a76f7a00996af77481ed.png)
您最近一年使用:0次
名校
9 . 国际数学家大会的会标是以我国古代数学家赵爽的弦图为基础设计的.弦图是由四个全等直角三角形与一个小正方形拼成的一个大正方形(如图),如果小正方形的面积为4,大正方形的面积为100,直角三角形中较小的锐角为
,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a18798408a1b91fdb12deb79f0b562a.png)
![](https://img.xkw.com/dksih/QBM/2022/4/25/2965910354616320/2967312403841024/STEM/5843d118-119f-43a5-b9af-5c90f8a0a9ec.png?resizew=144)
您最近一年使用:0次
2022-04-27更新
|
633次组卷
|
3卷引用:江苏省常州市北郊高级中学2022-2023学年高一下学期3月月考数学试题
名校
解题方法
10 . 下列数学符号可以表示单位向量的是______ (选项之间不需要分隔符号)
①
②
③
④
①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a982c17d1a94a9bd81dc27cad133b74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fb673d06116147f7500a7b05769e8f1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9c406f75bbc820a2413594cf851e411.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b29ffe1a5116db6b707c46a0682cd66f.png)
您最近一年使用:0次