名校
解题方法
1 . 如图,S为圆锥顶点,O是圆锥底面圆的圆心,AB、CD为底面圆的两条直径,
,且
,
,P为SB的中点.
平面PCD;
(2)求圆锥SO的体积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38a5ed40e239098309bb3c9a5ad28489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cea06e3edaaef607d8b78ecf4090d07.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8825d400f453c5c17a7beeb1cc9a9cf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a1ea0adc03fc8ba355dbdac586f4b707.png)
(2)求圆锥SO的体积.
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5卷引用:贵州省遵义市南白中学2023-2024学年高二上学期第一次联考数学试题
贵州省遵义市南白中学2023-2024学年高二上学期第一次联考数学试题新疆阿拉山口市中学2023-2024学年高二上学期开学考试数学试题陕西省渭南市富平县2020-2021学年高一上学期期末数学试题广东省普通高中2024届高三合格性考试模拟冲刺数学试题(二)(已下线)第13章 立体几何初步 单元综合检测(重难点)-《重难点题型·高分突破》(苏教版2019必修第二册)
名校
2 . 如图;正四棱柱
中;
;点
为
的中点.
(1)求证:直线
平面
;
(2)求直线
与平面
所成线面角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e09725691ee7851f54c0dee86b2bf55.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6c5282bc1ea20767a6c092c22c761ca.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/7/24/35b9ceee-2832-47a5-ab26-13a995fe2905.png?resizew=155)
(1)求证:直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/923d409630f5331cf8e85fb6c584e31b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0628681907ac8d7fdb94d8bc1b15feb9.png)
(2)求直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d8772aa893a9c1d40f714cb25701701.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf4c26f3f4d96117f087400a0f32ece8.png)
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2023-07-05更新
|
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2卷引用:贵州省遵义市南白中学2023-2024学年高二上学期第一次联考数学试题
解题方法
3 .
为数列
的前n项和,已知
,
.
(1)求数列
的通项公式;
(2)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/039e4fe671d61e59b96ee525c9df43e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6df01497579180f1b175ac5b4014a811.png)
(1)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c7bbad9eda33f5c8a810edf55810b21.png)
您最近一年使用:0次
2022-08-22更新
|
481次组卷
|
3卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题
解题方法
4 . 图,在四棱锥
中,底面
是平行四边形,
,
,
,
为
的中点,
,侧面
底面
.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/506a432b-bb94-4020-a122-c5a4941efcb2.png?resizew=218)
(1)证明:
平面
;
(2)若
,求点
到平面
的距离.
![](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/d0453cfd7e92bf7746a88280b9e7b580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c056a26c993ab806c603f063f78da923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/23/506a432b-bb94-4020-a122-c5a4941efcb2.png?resizew=218)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f571a1aac46c6d0cf440c0ec2846bf9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cedd51383f8f047f565191b128cec637.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37793a3a810e823e10c340986f55ddd.png)
您最近一年使用:0次
2022-08-22更新
|
352次组卷
|
2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(文)试题
5 . 如图,在四棱锥
中,底面ABCD是平行四边形,
,
,
,E为AB的中点,
,侧面
底面ABCD.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/535f99a9-dcfd-40af-a6cf-107a9873d339.png?resizew=223)
(1)证明:
平面PBD;
(2)若PB与平面ABCD所成角的正切值为
,求平面PAD与平面PCE所成的锐二面角的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0453cfd7e92bf7746a88280b9e7b580.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62974d34de3a12418d6b700420afd1b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc11331a7b2d2619b40ee6d34c3bd620.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c056a26c993ab806c603f063f78da923.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/8/22/535f99a9-dcfd-40af-a6cf-107a9873d339.png?resizew=223)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ccd4fd4b7a4d6b8ca0c5827c055a9ce7.png)
(2)若PB与平面ABCD所成角的正切值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dee14db57f0c762aad845cf5b4a243c0.png)
您最近一年使用:0次
2022-08-22更新
|
642次组卷
|
4卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题
贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题广东省广州市番禺区象贤中学2023届高三上学期第一次月考数学试题(已下线)专题1.10 空间向量的应用-重难点题型检测-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)(已下线)专题1.11 空间角的向量求法大题专项训练(30道)-2022-2023学年高二数学举一反三系列(人教A版2019选择性必修第一册)
名校
6 . 已知
.
(1)求函数
的单调区间;
(2)若函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786999ff39b91fac93044fb70679be5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8112293429caa01e7670ebcaf5bf95de.png)
您最近一年使用:0次
2022-08-22更新
|
212次组卷
|
2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(文)试题
7 . 已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)若
,
,
,请比较a,b,c的大小;
(2)若函数
有两个零点
,证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/233aa8bb190d5535f84eade0cfbc6b95.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/822ccdf28e62c595d1f0337b18d70266.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ba48368ed6dd4b0f6d49b30113de0f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a90f10037c5230d4281abb93c9179e4.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/786999ff39b91fac93044fb70679be5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b67a008cbc20e42a317acfd632a8052.png)
您最近一年使用:0次
2022-08-22更新
|
552次组卷
|
2卷引用:贵州省遵义市新高考协作体2023届高三上学期入学质量监测数学(理)试题
名校
8 . 如图,在四棱锥
中,
平面
,平面
底面
,且
,
,
.
![](https://img.xkw.com/dksih/QBM/2022/3/1/2926892336340992/2936031612502016/STEM/0008f917-08e3-435c-8119-54c490d68f17.png?resizew=170)
(1)证明:
平面
;
(2)若
为侧面
内到
距离为
的一点,且
,
,求
与平面
所成角的正弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/68fdb2b9d6a4a54ed1328c5b3adcf7b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bedaadb4e782586eb5f46048523b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://img.xkw.com/dksih/QBM/2022/3/1/2926892336340992/2936031612502016/STEM/0008f917-08e3-435c-8119-54c490d68f17.png?resizew=170)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09d3f076d3f5a78fc081c252e9a55d5c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad18d3f2e42fc960e17ff4bde2b2f7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a16003b2179e90976c984b85c9870e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/274cf35acb4a1748d15c39d15a9bea7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
您最近一年使用:0次
2022-03-14更新
|
478次组卷
|
4卷引用:贵州省遵义市2022届高三下学期开学考试数学(理)试题
贵州省遵义市2022届高三下学期开学考试数学(理)试题湖南省百所学校大联考2021-2022学年高二下学期入学考试数学试题(已下线)湖南省长沙市长郡中学2022届高三下学期月考(六)数学试题陕西省西安市阎高蓝周临鄠六区2022届高三下学期三模理科数学试题
解题方法
9 . 如图,在四棱锥
中,
平面
,平面
底面
,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/5bed979e-b178-4373-a779-46f9c502a8fb.png?resizew=161)
(1)证明:
平面
.
(2)若
为侧面
内到
距离为1的一点,且
,
,求
到
的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab8099c774a6ae6dd98712b0b90b60cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/342d452a7b850cd3a15b23619ad39bd7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef0402dd5ae3db10281f9f1e11738bcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f6bedaadb4e782586eb5f46048523b53.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bd6a2b112facda441f4e34bf5c145fa.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/2/2/5bed979e-b178-4373-a779-46f9c502a8fb.png?resizew=161)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4dace90bcafd1fbf25f272b05c3875f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e582d73b96ba649378379c3074d506d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80f747eb5b2d21c9de962cbfd4ec4bb7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad18d3f2e42fc960e17ff4bde2b2f7cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2a16003b2179e90976c984b85c9870e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
名校
解题方法
10 . 已知M,N是椭圆
的左、右顶点,F是椭圆的右焦点,且
,点
是C上一点.
(1)求椭圆C的方程;
(2)记知过F的直线l与椭圆交于A,B(异于M,N)两点,过点N且垂直于x轴的直线
与直线
,
分别交于P,Q两点,证明:
为定值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a14099c43a617689f574434f3af7462e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c7e3739bbfda13bc1da8c731adf7bf9.png)
(1)求椭圆C的方程;
(2)记知过F的直线l与椭圆交于A,B(异于M,N)两点,过点N且垂直于x轴的直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b66a5b7813e902306477f91f9f4084cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e5c62f22d7afc5627fcb86599faa8e1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c330472b993b373b17f3e2c00cb2d6e1.png)
您最近一年使用:0次
2022-03-04更新
|
1860次组卷
|
6卷引用:贵州省遵义市2022届高三下学期开学考试数学(理)试题
贵州省遵义市2022届高三下学期开学考试数学(理)试题贵州省遵义市2022届高三下学期开学考试数学(文)试题2022届高三数学新高考原创试题(已下线)专题28 圆锥曲线中的定值定点问题- 2022届高考数学一模试题分类汇编(新高考卷)四川省阆中中学校2022-2023学年高二上学期10月月考数学理科试题河南省驻马店市确山县第一高级中学2022-2023学年高二上学期10月月考数学试题