名校
解题方法
1 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6d7a10fad38525e11a5bd394db8064.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6cc9e698eb4108e28fa47b9b16e90ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d6d7a10fad38525e11a5bd394db8064.png)
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7日内更新
|
517次组卷
|
2卷引用:黑龙江省大庆外国语学校2023-2024学年高二下学期第二次教学质量检测数学试卷
名校
解题方法
2 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5753fa31b83a4dd81d65b50dd49ed6ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/185598c127a98e3d7d4a17a8950be08a.png)
您最近一年使用:0次
2024-04-11更新
|
523次组卷
|
7卷引用:黑龙江省齐齐哈尔市克东县第一中学等学校2023-2024学年高二下学期4月月考数学试题
名校
解题方法
3 . 在
中,角
的对边分别是
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b254e5ee33a298ef218adbde0d4385b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b939bf0591883ab80d9e58a03718c79.png)
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2024-04-10更新
|
624次组卷
|
4卷引用:黑龙江省哈尔滨市第一二二中学校2023-2024学年高二下学期3月月考数学试题
名校
解题方法
4 . 已知
是椭圆
的左、右焦点,直线
与椭圆相交于
两点,
的平分线交
于点
,且
,则椭圆
的离心率为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e5578ca83f5bd5c285994061b9c015.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3016baf1a9ce777f16ea9ce469b2510.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba129eade3c36a96f86d0d383631c3c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39e1d2e2c9cd42150c863bf111ce61dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
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2024-02-28更新
|
299次组卷
|
2卷引用:黑龙江省哈尔滨市第九中学校2023-2024学年高二下学期4月月考数学试题
名校
解题方法
5 . 中国古代数学著作《九章算术》中,记载了一种称为“曲池”的几何体,该几何体的上下底面平行,且均为扇环形(扇环是指圆环被扇形截得的部分),现有一个如图所示的曲池,它的高为
,
,
,
,
均与曲池的底面垂直,底面扇环对应的两个圆的半径分别为
和
,对应的圆心角为
,则
与
成角的余弦值为___________ ;以
点为球心,
为半径的球面与曲池上底面的交线长为___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2777840758e70e7dbbc18cef8f3d6d2b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0a851907ada2ac2c3c4880a6736d28a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d88bf46ad08f9677c37eed1d0369329.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22adbc0da438220f9cace11b629d799b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0468237bbc0d3df77435d98b817c10c0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b470c4e195cf7a07b7a331ce4b436e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e539f26ed5e0b20ff7220559324869a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2967337e3fcb228dded64ab0c41a17e0.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2024/1/31/a90920f7-d3d6-421e-8756-2d6b1bf9def3.png?resizew=128)
您最近一年使用:0次
解题方法
6 . 已知
是双曲线
的左,右焦点,
的一条渐近线
的方程为
,且
到
的距离为3,
为
的第一象限上的一点,点
的坐标为
为
的平分线,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204196267ea8c9ec2544b3084d7952da.png)
_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86bebdf5931efbdc627baa52f97392e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.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/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64dfdc4da53a7913b01647d751c77c8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c94fe48bf7af022ecbbe13833fdcc2c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/204196267ea8c9ec2544b3084d7952da.png)
您最近一年使用:0次
名校
解题方法
7 . 已知
是椭圆
的两个焦点,
为椭圆上一点.且
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9055f58bf6bb8d6c55dcc14b2ae51b4c.png)
__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b971902999be2472828cbea1f1d5725a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3c88476c0b0200d6f8ef8e82eb0db784.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9055f58bf6bb8d6c55dcc14b2ae51b4c.png)
您最近一年使用:0次
8 . 函数
的最大值为________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eeab32b16b90a8092fed1e7acedfdc56.png)
您最近一年使用:0次
名校
解题方法
9 . 已知双曲线左,右焦点分别为
,点P为右支上一点,
,
,若
成等差数列,则该双曲线的离心率为_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40f98254a6193566587a70c7d95fdabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d124b231bf2cd3746f35e6c68cd7178f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f200fa9f10062977b836847872c3d77b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e4929db049671e294844c8302e670f2.png)
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2023·全国·模拟预测
名校
解题方法
10 . 已知函数
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04d73c5b02fc71dabeec66648fc1601.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fea36971019c9765186437f94f0a73b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d04d73c5b02fc71dabeec66648fc1601.png)
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2023-11-30更新
|
804次组卷
|
6卷引用:黑龙江省绥化市肇东四中2023-2024学年高二上学期期末数学试题