名校
1 . 如下图,四棱锥
的体积为
,底面
为等腰梯形,
,
,
,
,
,
是垂足,平面
平面
.
;
(2)若
,
分别为
,
的中点,求二面角
的余弦值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0585b6c0f156eecf9662b9846d4eb693.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf31876698721a199c7c53c6b320aa86.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5acb763021bf166ca719d07223591d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/279e119eed905cf15026649a1b86502a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a398397362a18da1cc9f24bf3f356ad.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f29c3e772e56008790298824122792.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7713c13736076f1fe2c139bb4a4b6d6e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93edc7bb513f40a89173121c8570cd65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9104a1941e557a85fd1496bc2b9be297.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0629ce42392a7fe9be21d25c39c3e64.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48f3c9abbd78e9a6840ee5f30381daac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99ab98efd2b5fcbfeae61fe37f921a0e.png)
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解题方法
2 . 记椭圆
的左、右顶点分别为
,
,上顶点为
,直线
,
的斜率满足
.
(1)求椭圆
的方程;
(2)已知椭圆
上点
处的切线方程是
.若点
为直线
上的动点,过点
作椭圆
的切线
,
,切点分别为
,
,求
面积的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad523e69a1bf925e73a22900b9855df2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81b54b9cf95418bc3dce6e4c698b9907.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b7d857811cbd619f868d951aa7a0ab8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/57831b59ea828a088ed9daec8babb774.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e56f76929113468f35969e40df8651c5.png)
(1)求椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)已知椭圆
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aee073e64c1c86a4c7c5ebede7b8a65c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a9656735f55e5de465e5667ba578d4e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af3a8183f5256dbe27e2fd7e3f4873e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/892909e49156f7dcc0650fcd65243877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c8ffe24cf9f327aeb241225ab15ab1a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ed4c4e8edbd179f3fc38a6653f18c1.png)
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3 . 已知函数
.
(1)若
,求曲线
在点
处的切线方程;
(2)若
恰有三个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3a3e1d9f785f24c0c39d74dbdb769d9.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c9f8845aa2b51c460f2d798c9f62fa3.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
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4卷引用:陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题
陕西省商洛市柞水中学2024届高三下学期高考模拟预测文科数学试题广东省深圳市光明区高级中学2023-2024学年高三下学期5月模拟考试数学试题广东省深圳市光明区光明中学2023-2024学年高二下学期期中考试数学试题(已下线)专题09 导数与零点、不等式综合常考题型归类--高二期末考点大串讲(人教B版2019选择性必修第三册)
解题方法
4 . 已知双曲线
的左、右焦点分别为
,
,过
作直线与双曲线
的左、右两支分别交于
,
两点.若
,且
,则双曲线
的离心率为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e51efda45fe4790568e30197fa5061.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5ad6fa7c87796ecaf7035349c06c7bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
A.2 | B.![]() | C.![]() | D.3 |
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5 . 已知函数
,把
的图象向左平移
个单位长度可得到函数
的图象,则( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b927773ab05593e76b9cf6b51b4b05b6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1902d864d3f16535e273f7851b92a4fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
A.![]() |
B.![]() ![]() |
C.![]() ![]() |
D.不等式![]() ![]() |
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6 . 已知抛物线
的焦点为
,准线为
,点
在
上,直线
交
轴于点
,且
,则点
到准线
的距离为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c1ba86ffc6e5542b62319848c14acaa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6aa2b5e09f8ec785c59900a529390a02.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ade0c328cc3442c26e5bf33d9134c071.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.4 | B.5 | C.6 | D.8 |
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7 . 已知函数
,则图中的函数图象所对应的函数解析式为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4bf2b47b71ac185b1c1f2c87d55e5c3d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
8 . 已知点
,点
为原点,则
的最小值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49d54bcff5ffecbd3e4dea284d273638.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b8840adf41cb679f98b8bcb81ef4afd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb8731c539ba9ecf87f2fd501b77fbef.png)
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名校
9 . 在
中,
,
,
,则角
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99f2f1eb2beb23690f56a68dc7da08cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffc2817fa590affb5a760a25dc65308.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
A.![]() ![]() | B.![]() ![]() | C.![]() | D.![]() |
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7卷引用:陕西省西安市第一中学2024届高三第十六次模拟考试数学(文科)试题
陕西省西安市第一中学2024届高三第十六次模拟考试数学(文科)试题福建省莆田第五中学2023-2024学年高一下学期期中考试数学试卷湖北省黄冈市浠水县第一中学2023-2024学年高一下学期期末质量检测数学试题(已下线)高一下期末考前押题卷01-期末考点大串讲(人教B版2019)(已下线)【高一模块一】难度3 小题强化限时晋级练(基础3)河北省唐山市第二中学2019-2020学年高一下学期月考I数学试题(已下线)6.4.1 正余弦定理(学案)-2022-2023学年高一数学一隅三反系列(人教A版2019必修第二册)
名校
解题方法
10 . 已知向量
,
,
,则
的最小值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c958b65bafe9caae7ec41be3a7085527.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcd9218a657b17654c5d757a6f7dee9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f27481c3e3f0a647379ecd926e616ec2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93af88a7628c71d642d3a6df067c15f5.png)
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