名校
1 . 已知集合
,
,那么集合
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ca717c6a55e786238e64f7ebd69b9b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2e391689719c41c2118c3b1e1227a93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8fdbfa7a63fdf5717d40c8c9a73ec160.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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昨日更新
|
310次组卷
|
2卷引用:云南省保山市第一中学2023-2024学年高一下学期期中教学质量监测数学试卷
解题方法
2 . 已知
,且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1516b55367068c5c9f2370fbadebdb49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07bd57dd68879c0d78a2c42b9e724584.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/070d1ea22a92808dad7489438c239629.png)
您最近一年使用:0次
3 . 已知
,向量
与
的夹角为
,求
的值______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb0093a06d8227ce5756ce8e87a9d2b6.png)
![](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/02f6f0a8184bb0b9e77e9ce45351cc91.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3541dcc0afd9f1df4af5754142ad293a.png)
您最近一年使用:0次
4 . 已知
且向量
与
的夹角是
,则向量
在
方向上的投影数量是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4764549f863245cbd25a3928a316c466.png)
![](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/a8ac3e1432957734d372d8485fb84de1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a2f4b1178f68bd147d1a2a6acd04435.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94075193c11fe43f2396cff5a485054.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
解题方法
5 . 已知复数
,其中
为虚数单位.若复数
为纯虚数,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95803c4646401b87e4de9aa2bee9c549.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
6 . 若复数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb1edb878ce2987e6a6027e5233bb9e.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cbcb5bc5601877cc286185236378fc9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffb1edb878ce2987e6a6027e5233bb9e.png)
您最近一年使用:0次
7 . 已知向量
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2cdc277c2ab0a3b0fc6bcef221bc8f.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f279f1e7ca4c865284d3eb459899deb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2839ccc966d40c507d044aac6946bdc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2cdc277c2ab0a3b0fc6bcef221bc8f.png)
您最近一年使用:0次
8 . 函数
的最小正周期为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34203098e40ab1c9f0f6e29c54da3493.png)
您最近一年使用:0次
9 . 下列结论正确的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
10 . 若角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884fb14030b8961927fe6c9c3778ed9.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c21b59d92c33a3b451d6cc13878c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884fb14030b8961927fe6c9c3778ed9.png)
您最近一年使用:0次