名校
1 . 已知函数
,点
、
是函数
图象上不同的两个点,设
为坐标原点,则
的取值范围是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/541ec913428703d4cae2476b147ce1a3.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/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d63711c480473cbc27a06cdb82ddd000.png)
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名校
解题方法
2 . 古希腊数学家阿波罗尼奥斯用不同的平面截同一圆锥,得到了圆锥曲线,其中的一种如图所示.用过
点且垂直于圆锥底面的平面截两个全等的对顶圆锥得到双曲线的一部分,已知高
,底面圆的半径为4,
为母线
的中点,平面与底面的交线
,则双曲线的两条渐近线所成角的余弦值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ae890f9e8b32aa53a54158f24f4a87bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2be49c37e30a3ced0364c3e74d8c687.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab00e0cff0876c4183a47f1272cf9928.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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解题方法
3 . 已知双曲线
的离心率为2,左、右顶点分别为
,右焦点为
,
是
上位于第一象限的两点,
,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef66f4832adc43902055a7e6d258037.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/00442d96d695db2c58bf1fb7165fca94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ab609a6574633ebabcff3e73fa862081.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/18290a33d540589705521b0c2bdd3914.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/570fa13a80c87d908c3b97987d45201e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b750c2c4bf7414890b336d4e70de1a5d.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2024-02-17更新
|
1423次组卷
|
5卷引用:河北省金科大联考2024届高三上学期1月质量检测数学试题
河北省金科大联考2024届高三上学期1月质量检测数学试题吉林省通化市梅河口市第五中学2024届高三下学期开学考试数学试题安徽省合肥一六八中学2024届高三“九省联考”考后适应性测试数学试题(三)(已下线)专题07 双曲线与抛物线(讲义)(已下线)【讲】专题7 解三角形与其它知识的交汇问题
解题方法
4 . 设
为坐标原点,
为抛物线
上异于
的一点,
,
.
(1)求
的最小值;
(2)求
的取值范围;
(3)证明:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/745de5ef1fd897d16e37464172d5e8c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e9f2b482e8a8e0e1b5c720a3574af70.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e24f172a287592897ea4378a2ad29013.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f4dfec890cdfdda355e19463f3be813.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fb8a80473da8d3f571def3f3f34086d.png)
(3)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e66ea801d8df6d13f924cae67fc1db.png)
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5 . 已知
为方程
的两个实数根,且
,
,则
的最大值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ce7ae90d808f05e86ea063238e4b2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4117718147c27cb53191b6acbe00f205.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bda318adf65c6b6fd45f651365f52346.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c562f6e77b7f23906d2b786f0c82e13a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
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2024-01-24更新
|
725次组卷
|
7卷引用:浙江省衢州市2023-2024学年高一上学期1月期末数学试题
浙江省衢州市2023-2024学年高一上学期1月期末数学试题(已下线)【第三练】5.5.1课时2 两角和与差的正切公式(已下线)福建省福州市部分学校教学联盟2023-2024学年高一上学期期末质量检测数学试题重庆市缙云教育联盟2024届高三下学期2月月度质量检测数学试题(已下线)考点8 一元二次方程、不等式 --2024届高考数学考点总动员【讲】(已下线)第10章 三角恒等变换 单元综合测试(难点)-《重难点题型·高分突破》(苏教版2019必修第二册)(已下线)专题04三角恒等变换期末6种常考题型归类-《期末真题分类汇编》(人教B版2019必修第三册)
6 . 已知
,且
,则
的值可能为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6889158a6bde2f87470946c14628d2c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50ed0fa2d1bf7f11923aab6a2130a17e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/475112ec0b0dbc7d52accf322302cc46.png)
A.![]() | B.![]() | C.![]() | D.8 |
您最近一年使用:0次
名校
解题方法
7 . 在
中,已知
边上的高等于
,当角
时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33e8045277a342dbbaff481815bd532.png)
_____ ;当角
时,
的最大值为_____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bc78256f4c7a57810c48a113c6f1fe4b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4376af85e07b29051a812ff3fcda61a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e33e8045277a342dbbaff481815bd532.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67acf6f4fc0f4005864e9ca5b41859bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
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2024-01-25更新
|
826次组卷
|
4卷引用:广东省东莞市2023-2024学年高一上学期教学质量检查数学试卷
8 . 如图,正方形的边长为1,
,
分别为边
,
上的动点.
(1)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b630e42be95afffe05ebd265f9d8257b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f3d1083a956315db7b85d1e0f9aec2c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4e288596fa3811dd2c17bded60e82e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
(2)若点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/030314ca026d6b18481682f70f48d19b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9763846b1131e1e3e2d741ad95d5bb0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解题方法
9 . 在平面四边形中,
,则
的值是( )
A.![]() | B.![]() | C.![]() | D.![]() |
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10 . 已知圆
:
(
)与
轴相交于
,
两点,且圆
:
,点
.若圆
与圆
相外切,则下列结论正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7101cfc2433c935a5711ff348d2df2d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/45ba6b6aa6c3f9faba6b03bc193a6e61.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8be03fffb70a1c2253c870fff55e8595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10b4c07fce745f6b839493640489f381.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
A.当![]() ![]() |
B.当![]() ![]() |
C.当![]() ![]() ![]() |
D.设定点![]() ![]() ![]() ![]() |
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