解题方法
1 .
的外接圆半径为
,角
、
、
的对边分别为
、
、
.向量
,
满足
.
(1)求
的取值范围;
(2)若实数
满足
,试确定
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.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/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b0a703976eef51dee61b9e49e3584f89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad53d035e97c8a237dc03a904ab1c634.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8bc9c22e445fd2e7d7e33f87116dbd1a.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6b1d6201ae8b341fe7c2e578429dddcb.png)
(2)若实数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fc568412c8b9a097c14f3f5ad15d4920.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
2 . 已知椭圆C:
的右顶点为
,过左焦点F的直线
交椭圆于M,N两点,交
轴于P点,
,
,记
,
,
(
为C的右焦点)的面积分别为
.
(1)证明:
为定值;
(2)若
,
,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/48da128547c4cf9745e8e4b99988a3db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a98eaaab44a91d0bad21dbd260be770.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2dc32a930595d3e6d87ac24701a9364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348907f672c64a4563ce9e9e5edd53b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4a79adfd9e2b87b864803e4505d2a0f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25dd698d57d1cf239eb8752aecaaa4f4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9946d1ce220afa1625ebb09c34b56c93.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eed0ccdab6cfb38a35f9dea720df03c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a61d572ecf27dc02fcbd588f24647b1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcf4e20ea341827ce5f9552daee39462.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/febf7413b35cf2889fdb57a6b519087c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a07a2f0db1140e0588aa19f7884ba5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ca48559d27a71801cef4c97312886d2f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
您最近一年使用:0次
2022-11-23更新
|
1723次组卷
|
8卷引用:江苏省南京市雨花台中学2022-2023学年高三上学期期中数学试题
江苏省南京市雨花台中学2022-2023学年高三上学期期中数学试题湖南省郴州市原创试题评比参评2022届高三高考模拟数学试题(安仁一中命制)福建省三校联考2022-2023学年高二上学期期中考试数学试题(已下线)数学(新高考Ⅰ卷B卷)(已下线)专题13 圆锥曲线压轴解答题常考套路归类(精讲精练)-3重庆市2023届高三下学期第一次联考数学试题(已下线)模块六 专题8 易错题目重组卷(重庆卷)辽宁省沈阳市浑南区东北育才学校试验部2023-2024学年高二上学期12月月考数学试题
名校
3 . 已知向量
.
(1)若
,求
的值;
(2)记
,求函数
的图象向右平移
个单位,纵坐标不变横坐标变为原来的2倍,得到函数
的图象,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1712ac5c1f2d1eb3a829cb0d7ee9a336.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46e7c03af0a364884cbdc0683c6a5669.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)记
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7aa1233d7a93113281594c41f25c7db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2022-11-09更新
|
1053次组卷
|
6卷引用:江苏省镇江市2022-2023学年高三上学期期中数学试题
江苏省镇江市2022-2023学年高三上学期期中数学试题江苏省南京市第一中学2023届高三上学期11月质量检测数学试题江苏省苏州市2023-2024学年高三上学期11月期中摸底数学试题第七章 三角函数(B卷·能力提升练)-【单元测试】2022-2023学年高一数学分层训练AB卷(苏教版2019必修第一册)江苏省连云港市赣榆第一中学2022-2023学年高一下学期3月月考数学试题(已下线)专题6.7 平面向量基本定理及坐标表示(重难点题型精讲)-2022-2023学年高一数学举一反三系列(人教A版2019必修第二册)
4 . 平面直角坐标系
中,已知点
(其中
),将向量
逆时针方向旋转
,得到向量
,记
,
.
(1)求
的最大值;
(2)试判断两向量
与
的位置关系.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/095bf2f689fd097d8bb3d74f2d587c0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52f12ae40e0aed70f95b61ada937d1c4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21909dd065ccc349a2cbfd4c3cf4976b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2ff7caec4fdd8fb54a3ffbff9692414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11e2f16b6ce8d0482f1ad9b7105c027b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c6ff81aedbefa935da289dc632e78eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4bc333cee094e9dd8f1f3ff86adc95f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baae34553e4b8accfd74855a5bb3493f.png)
(2)试判断两向量
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d021a5c98388463d577675e58068aa7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba7d3a0680780aaf4549c447fe8dfe9f.png)
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