名校
1 . 多样化的体育场地会为学生们提供更丰富的身体锻炼方式.现有一个标准的铅球场地如图,若场地边界曲线M分别由由两段同心圆弧
和两条线段
四部分组成,在极坐标系
中,
,A、O、B三点共线.
,点C在半径为1的圆上.
(2)若需设置一个距边界曲线M距离不小于1且关于极轴所在直线对称的矩形警示区域,如图,求警示区域所围的最小面积.
注:
,
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4947600808d89be0f44ee44184245904.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b5c4cd264c97c1f261229925cc5a6761.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ea0e1899670d6a143a225256c59348f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/918a29dde19360105c62d3842fbac0e7.png)
(2)若需设置一个距边界曲线M距离不小于1且关于极轴所在直线对称的矩形警示区域,如图,求警示区域所围的最小面积.
注:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcf1671d3e1e5e9c394d738e8d6f12e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77e18f18ddcd6bc68867f8eb76930e37.png)
您最近一年使用:0次
2022-04-14更新
|
732次组卷
|
6卷引用:四川省泸县第二中学、泸县二中实验学校2022届高三上学期模拟考试数学(文)试题
四川省泸县第二中学、泸县二中实验学校2022届高三上学期模拟考试数学(文)试题(已下线)押全国卷(文科)第22题 坐标系与参数方程-备战2022年高考数学(文)临考题号押题(全国卷)(已下线)四川省成都市第七中学2024届高三上学期期末数学(理)试题四川省成都市第七中学2024届高三上学期期末数学(文)试题四川省成都市成华区某校2023-2024学年高三下学期“三诊”数学(理)试题四川省成都市成华区某校2023-2024学年高三“三诊”数学(文)试题
名校
2 . 在平面直角坐标系
中,已知直线
(
为参数),以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系.点
在曲线
上运动,点
为线段
的中点.
(1)求动点
的运动轨迹
的参数方程;
(2)若直线
与
的公共点分别为
,当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d430b5c4c3a4d1c8e55550ae2efe5237.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.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/8cb32336a07bdea17b0c634a56337fc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
(1)求动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)若直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/64c7d3d89b684b78bd1c216ddd2e070b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2020-03-04更新
|
842次组卷
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6卷引用:重庆市第一中学校2019届高三下学期第四次月考(理)数学试题
名校
3 . 已知二次函数
,当
时,其抛物线在
轴上截得线段长依次为
,则
的值是
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2bab36afec903c0afc6b5bc0534aad3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/072d41069bfe0a30e06000eb378d71de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9cde0aa653536776ef06b32c2a4b0fc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04a24f74c4a3df605babc91fe8e30f61.png)
A.1 | B.2 | C.3 | D.4 |
您最近一年使用:0次
名校
4 . 在直角坐标系
中,曲线
的参数方程为
(
为参数).以坐标原点为极点,
轴的非负半轴为极轴建立极坐标系,曲线
的极坐标方程为
.
(1)将
的方程化为普通方程,将
的方程化为直角坐标方程;
(2)已知直线
的参数方程为
(
,
为参数,且
),
与
交于点
,
与
交于点
,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03b1067962616d3b4739147e2ba937a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/925b34a1e7a48f450d883f9a0197e5c9.png)
(1)将
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)已知直线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32b14eb0b3ad580dc25416978fe9a7e0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/612fd36aeb83099c4644c076db691612.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/823ab696d27d40920c39b8c910789380.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19efd2f2662ca444c784b69e35f53120.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
2019-05-17更新
|
635次组卷
|
6卷引用:【全国百强校】吉林省实验中学2019届高三下学期第八次月考数学(理)试题
名校
5 . 在直角坐标系
中,已知曲线
的参数方程为
(
为参数),曲线
的参数方程为
(
为参数).以坐标原点为极点,
轴正半轴为极轴建立极坐标系.
(1)求曲线
,
的极坐标方程;
(2)在极坐标系中,射线
与曲线
交于点
,射线
与曲线
交于点
,求
的面积(其中
为坐标原点).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c00b3a7749c2c6fc633224c44b6487d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b894d6a6e5e9f80eb7cb12ffb6cca04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)在极坐标系中,射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bc1f08c7640e62e8717abf4d44a6c83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/734a6a1d319648bb969845a9159cdba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d9cd0efc142e3abb0d8f21e6447f0a7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
您最近一年使用:0次
2018-05-11更新
|
2102次组卷
|
6卷引用:【全国市级联考】江西省赣州市2018年高三(5月)适应性考试-数学试卷(理科)
名校
解题方法
6 . 已知曲线
:
(
为参数),
,
,若曲线
上存在点
满足
,则实数
的取值范围为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e531f6f575ab852f6c0829d26ff1ccf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/311497849126f1aaf1da0ec75602eabf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1b47e7bf02b3ca16f7d96b9369e51a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2836bc460eb9f83eb7b5859ad2c4ba09.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2017-04-09更新
|
1555次组卷
|
4卷引用:2017届北京市海淀区高三下学期期中考试数学理试卷
2017届北京市海淀区高三下学期期中考试数学理试卷2019届北京市一零一中学高三下学期月考(三)数学(理)试题(已下线)数学-6月大数据精选模拟卷02(上海卷)(满分冲刺篇)北京市东城区第一七一中学2024届高三上学期12月月考数学试题