名校
解题方法
1 . 已知复数
且
,其中
为虚数单位,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70b75b57cb1a7c1756d713c09ef52bfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9de59a6da1ee210ccf04651ae53275dd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a7035cd4adda5d72a9fc9f9fda75995.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892560dcff6af9f66a3f735652f69dd7.png)
A.-4 | B.-3 | C.-2 | D.0 |
您最近一年使用:0次
名校
解题方法
2 . 已知向量
,且
平面
平面
,若平面
与平面
的夹角的余弦值为
,则实数
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f2c548218e603eb4464bdd1fe4e5bf9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a149e3fbd368c1852d64585e2334a4f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ed43e58b898d683085e39daa0ca7e93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24c14ff9b66f21c05e52dc3c8908c2df.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.-1或2 | D.![]() |
您最近一年使用:0次
2024-06-10更新
|
171次组卷
|
3卷引用:贵州省六盘水市盘州市第一中学2023-2024学年高二上学期期末考试数学试题
名校
解题方法
3 . 已知半径为2的圆
的圆心在射线
上,点
在圆
上.
(1)求圆
的标准方程;
(2)求过点
且与圆
相切的直线方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43e1bea7019a76adbc8651256cdfdfe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21f20953302d861e6c698575bfbab1c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(1)求圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)求过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96e30645f36e8628b9e25d53598d5174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次
2024-06-05更新
|
150次组卷
|
2卷引用:贵州省六盘水市盘州市第一中学2023-2024学年高二上学期期末考试数学试题
4 . 如图,在直四棱柱
中,底面
为菱形,
为
的中点.
(1)证明:直线
平面
;
(2)若
,且
,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/17/533c27d9-b490-4d35-b107-c60cb120ade0.png?resizew=160)
(1)证明:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7542b49ab149f2be8ba6b48392bef1f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c66d99a6a8415ddad22bbed33b64cfb.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1baa3d0db9ad31d33c2883a6efed1dc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ff5a86745bfe1dfe7bc2683811210330.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d9c4666ac5098d6cf61af1c82dab681.png)
您最近一年使用:0次
解题方法
5 . 已知函数
,关于
的方程
的实数根的个数为
,则
的所有可能取值组成的集合为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f46cdf3be718ae88a923d5a1d64e9076.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55b14bd9b01ef01720d4b1cb9d90721a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
您最近一年使用:0次
解题方法
6 . 已知函数
是偶函数,当
时,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/6861a383-11d8-4f4e-b49d-9b7656e39d6a.png?resizew=240)
(1)求
的值,并作出函数
在区间
上的大致图象;
(2)根据定义证明
在区间
上单调递增.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08115d6d9f876dea921a4d32260ff1fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7b4162be068735915bfb30b315632c.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/2/16/6861a383-11d8-4f4e-b49d-9b7656e39d6a.png?resizew=240)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/02a57e7e65245a4d173c5d0bc3c34e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f16a685cbaf10f04e6bbe3d585c9298a.png)
(2)根据定义证明
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d275fbb3ee5cd1177ca5a2ceecbbef0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9099a75c433e97bbe05052a00110571.png)
您最近一年使用:0次
7 . 已知函数
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/29b411211c5cf200259329d60043a963.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dab87f374d5a5d5859059dfa5582570.png)
A.0 | B.1 | C.2024 | D.2025 |
您最近一年使用:0次
8 . (1)计算:![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59bb6539f03daf9ab48ea262586fddf.png)
(2)已知
是第二象限角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e59bb6539f03daf9ab48ea262586fddf.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65f04ae821930016c324ef80c1cc05c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99a65ec6ff0e83185adf8cfa41b17245.png)
您最近一年使用:0次
解题方法
9 . 下列说法正确的是( )
A.命题“![]() ![]() |
B.若直线![]() ![]() ![]() |
C.若向量![]() ![]() ![]() ![]() |
D.已知5位同学的数学成绩为:![]() |
您最近一年使用:0次
10 . 已知函数
的最小正周期为
.
(1)求
的值,并求
的单调递减区间;
(2)求
在
上的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae19befa90729c2ffd8f57365fa0c76d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
您最近一年使用:0次