名校
解题方法
1 . 已知向量
,且
,则实数
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aaa1c233545fb3445e743624e1db887f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbe0c5d119ec2029a51b2592968d8f49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6c57bbef89a37f1a3808c0ceeac0c22.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-12-09更新
|
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8卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
名校
解题方法
2 .
中,内角
的对边分别为
,若
,
,
的面积
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38335830b93ac4d99c28a8e209eecb3f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7f5573b30734d65648f61c0a94c98de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c47e66258d3c21dd9bf44dab2c960afc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a2dd89c37b60b4596ac30e339aa0000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5ccd4162c7d09f970cb77cadacdbe521.png)
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7卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
解题方法
3 . 如图,在四棱锥
中,底面
为平行四边形,
,
,
,
平面
.
(1)求证:
面![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若_______,求点
到平面
的距离.
在①
;②二面角
的正切值为
;③
,这三个条件中,任选一个,补充在问题中,并加以解答.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/efc6e4b936d7a800e839a30c3839574d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8a7b5adfcac0f46a4cd19da4ebb4a2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/23/7b5bc07e-81f5-4c64-a9a1-d90018b69be6.png?resizew=166)
(1)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56fdf217165748fafe938b64fa08179.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若_______,求点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
在①
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b80ee363635d73f601654339028daec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1636b4530c0b42d0e0b649e90e3b9e85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1bac478d1591943bb7d17edac3e8192.png)
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2023-09-21更新
|
129次组卷
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2卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
4 . 已知圆锥的顶点为
,底面圆心为
,母线长为6,
,
、
是底面半径,且
,
为线段
的中点,如图所示.
(1)求圆锥的侧面积和体积;
(2)求异面直线
与
所成的角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4f0f713cd40634ee6c5e075a17064eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3825ccc273ef9a672a606432d165b866.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/22/baebeeac-49a1-490c-9375-947a29f28098.png?resizew=135)
(1)求圆锥的侧面积和体积;
(2)求异面直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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名校
解题方法
5 . 已知
,
与
的夹角为
,则
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/498634e4ed9d425d5e619aa45d4b5366.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c5562bd4d1b54424330cb6329cd79d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45ba716f03748c19b7ce2f99af536ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be6a6301878fed2a01413020b27310a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ec71cd8938a9585f3589ca6c514ea619.png)
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2023-08-12更新
|
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5卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题四川省宜宾市叙州区第二中学校2023-2024学年高二上学期开学数学试题黑龙江省大庆市大庆中学2023-2024学年高二上学期开学考试数学试题福建省泉州市三校(铭选中学、泉州九中、 侨光中学)2022-2023学年高一下学期期中联考数学试题(已下线)8.1.2向量数量积的运算律-同步精品课堂(人教B版2019必修第三册)
名校
6 . 下列各式中值为1的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
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5卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
7 . 已知复数
,则
在复平面内对应的点位于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b9146655ef91c3add4c9c481d4948f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e81e59019989b7dc2fb59b037ef6e010.png)
A.第一象限 | B.第二象限 | C.第三象限 | D.第四象限 |
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2卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
名校
解题方法
8 . 已知角
的顶点与坐标原点
重合,始边与
轴的非负半轴重合,它的终边经过点
,则
的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c798c77d412bf82b4ab8d25aa6f351e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5abc6eb7a9dcbb0912674c6cbf4345d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-08-11更新
|
385次组卷
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2卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
解题方法
9 . 下列说法正确的是( )
A.向量![]() ![]() ![]() |
B.向量![]() ![]() ![]() ![]() ![]() ![]() ![]() ![]() |
C.在![]() ![]() ![]() |
D.在![]() ![]() ![]() ![]() |
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2卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
10 . 对于任意实数
,
,
,
,以下四个命题中正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
A.若![]() ![]() |
B.若![]() ![]() ![]() |
C.若![]() ![]() ![]() |
D.若![]() ![]() |
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5卷引用:新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题
新疆库车市第二中学2023-2024学年高二上学期开学考试数学试题云南省昆明行知中学2022-2023学年高一上学期实验班期中模拟数学试题(已下线)3.1 不等式的基本性质(1)-【帮课堂】(苏教版2019必修第一册)河南省南阳华龙高级中学2023-2024学年高一上学期9月月考数学试题福建省福州市福清西山学校2023-2024学年高一上学期9月月考数学试题