名校
解题方法
1 . 在平面直角坐标系
中,已知直线
与
轴,
轴分别交于
,
两点,点
在圆
上运动.若
恒为锐角,则实数
的取值范围是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c31c4f39399ec245a67db2933ed639f2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c6f01cf3e63de3d8216f3596ea4b0626.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c45a8a837c11c07073da3ff751d70278.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2021-11-05更新
|
497次组卷
|
3卷引用:江苏省徐州市沛县2021-2022学年高二上学期第一次学情调研数学试题
2 . 若实数
、
满足
,则
的取值范围是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c82e7d9f4f7ace849e09e9adcb786b7f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/699744ac445c9c790e51a91c46cd5f80.png)
您最近一年使用:0次
3 . 如图,已知
,
为
的中点,分别以
,
为直径在
的同侧作半圆,
,
分别为两半圆上的动点(不含端点
,
,
),且
,则
的最大值为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bb5b12692517a39c320f99a479eb055.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.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/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/12777a96242feadf7964af7823b7450c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/246322a78486fabd66c65dafba8b362d.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/12/26/180ac02e-b6cb-42f0-8dcb-a9febd98f308.png?resizew=212)
您最近一年使用:0次
2018-06-01更新
|
1959次组卷
|
5卷引用:第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)
(已下线)第1-2章 直线与圆(附加篇:参数方程)(单元培优)-2021-2022学年高二数学课后培优练(苏教版2019选择性必修第一册)【全国市级联考】辽宁省葫芦岛市2018年普通高中高三第二次模拟考试 数学理天津市2020届数学模拟试题上海市黄浦区格致中学2021届高三上学期期中数学试题(已下线)专题4平面向量综合闯关 (提升版)
4 . 如图,△ABC为等腰三角形,
,
,以A为圆心,1为半径的圆分别交AB,AC与点E,F,点P是劣弧
上的一点,则
的取值范围是______ .
![](https://img.xkw.com/dksih/QBM/2018/1/31/1872448930963456/1873498952097792/STEM/6bdc773b8bea47aba8f7eca30b0571b1.png?resizew=252)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0fffa3d9c32da53b0ea0c338012ea20c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a566b100fb2ebe3d208f9b6527934218.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e7e124a392dc84fcc1662fe6d896aa12.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e778fcd92a0c8890b5cd7bed0615486.png)
![](https://img.xkw.com/dksih/QBM/2018/1/31/1872448930963456/1873498952097792/STEM/6bdc773b8bea47aba8f7eca30b0571b1.png?resizew=252)
您最近一年使用:0次
2018-02-02更新
|
1924次组卷
|
4卷引用:江苏省苏州市2018届高三调研测试(理)数学试题