1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
__________ .(用反余弦表示).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e34153e5d9096688b1ad3abd33322147.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eea373ece249796b7a9b56dbc86d9712.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2024-03-23更新
|
125次组卷
|
2卷引用:上海市松江区华东师范大学松江实验高级中学2022-2023学年高一下学期3月监测数学试卷
3 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e5e796f22afd5282d6ec092a9d5d81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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4 .
三个角的大小关系是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8a552d2bfb76c90357d4b7f85c429e1d.png)
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5 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f1eefdf01c45f7d4e6cbe97d0a4526.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4f1eefdf01c45f7d4e6cbe97d0a4526.png)
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名校
6 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b186f677be6c9405c2bb8ff425f54be4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
您最近一年使用:0次
名校
7 . ![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0779083ad044aa4e8e23f1565140ae.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d0779083ad044aa4e8e23f1565140ae.png)
您最近一年使用:0次
名校
8 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4d3dad095027475b0d53fb7f4e7cfa6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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名校
9 . 若
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
____________
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e6ccc223e7b17e6002d684afea16c85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
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2022-11-30更新
|
193次组卷
|
2卷引用:上海市民办丰华高级中学2021-2022学年高一下学期期中数学试题
名校
10 . 已知
,
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cea1e7a47f0f2ac98be81d86cc0afde8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e5c9dd749202f50f605cc804bedbe1f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4ec0618ae3a4fde6d6220010af229b9a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次