解题方法
1 . 已知直线
:
(
为参数),则直线
倾斜角的余弦值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49893b4daa7783428b3f144bf7fa4d87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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名校
2 . 平面直角坐标系
中,点
在曲线
:
(
为参数,
)上. 以原点
为极点,
轴正半轴为极轴建立极坐标系,若点
,
的极坐标分别为
且点
,
都在曲线
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e446c4318cae914945c5a24e9f440bb1.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9c1bfd19548896027b5a4f2f34a37287.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2df1bc516cf59796f7610454440afc4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.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/ed2fe20da1518fbc320bef40e6405d04.png)
![](https://img.xkw.com/dksih/QBM/2017/6/20/1712886807183360/1713233947844608/STEM/e5601c1faf884de8bcff44e871a87d1a.png?resizew=21)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e446c4318cae914945c5a24e9f440bb1.png)
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2017-06-20更新
|
842次组卷
|
4卷引用:山西省太原市第五中学2016-2017学年高二5月月考数学(文)试题2
名校
解题方法
3 . 曲线
(
为参数)在
轴正半轴上的截距是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6e372e2599de402e301f715e6d265f43.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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4 . 曲线
(
为参数)在
轴正半轴上的截距是_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/574113be07ae364487b844978c663684.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
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5 . 在平面直角坐标系中,曲线
是参数)与曲线
是参数)的交点的直角坐标为______________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93567f46d02bb90722f9eb94bcd29d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74a11e6a9887a90450019dfef41ab2a9.png)
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6 . 已知直线
的参数方程为
,点
是曲线
)上的任一点,则点
到直线
距离的最小值为_________ .
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055289376768/1573055295619072/STEM/1a9477c061054641a2d6b637f2d4f339.png?resizew=9)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef222acf95e3272a26bbbffe21ef6500.png)
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055289376768/1573055295619072/STEM/b7cce61389734934823897c91b07230f.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055289376768/1573055295619072/STEM/3a53e1de9df243eda0730d891905b26e.png?resizew=144)
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055289376768/1573055295619072/STEM/b7cce61389734934823897c91b07230f.png?resizew=16)
![](https://img.xkw.com/dksih/QBM/2016/10/6/1573055289376768/1573055295619072/STEM/1a9477c061054641a2d6b637f2d4f339.png?resizew=9)
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10-11高二下·陕西汉中·期末
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解题方法
7 . 直线
(t为参数)的斜率为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daf531646ce90bb4cd12124ea7a9e3b7.png)
您最近一年使用:0次
2016-12-04更新
|
440次组卷
|
12卷引用:2013-2014学年山西省广灵第一中学高二下学期期末考试文科数学试卷
(已下线)2013-2014学年山西省广灵第一中学高二下学期期末考试文科数学试卷(已下线)2013-2014学年山西省广灵一中高二下学期期末考试文科数学试卷山西省古县第一中学2019-2020学年高二下学期期中数学(理)试题(已下线)2010-2011年陕西省汉中市汉台区高二下学期期末文科数学(已下线)2010-2011年陕西省汉中市汉台区高二下学期期末理科数学(已下线)2011-2012学年湖南省醴陵二中高二上期中文科数学试卷(已下线)2011—2012学年陕西省宝鸡中学高二下学期期末文科数学试卷2015-2016学年江苏省淮安市田家炳中学高二下期中理科数学试卷上海市上海师范大学附属中学2019-2020学年高二下学期期中数学试题上海交通大学附属中学2020-2021学年高二下学期开学考数学试题上海市位育中学2020-2021学年高二下学期期中数学试题(已下线)第1章平面直角坐标系中的直线(基础、常考易错、压轴)分类专项训练(1)
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8 . 直线
(
是参数)与圆
(
是参数)相切,则
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52bc5fcdfd2cdfe5713e47e26ea20f30.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dd9531863849ad3fcfe4f05a94d68d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31518d2ce44caf5aa402598e66213b8b.png)
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2016-12-04更新
|
439次组卷
|
2卷引用:山西省运城市夏县中学2016-2017学年高二下学期期末考试数学(文)试题
9 . 若点P(x,y)在曲线
(θ为参数,θ∈R)上,则
的取值范围是_____ .
![](https://img.xkw.com/dksih/QBM/2016/4/27/1572605673512960/1572605679542272/STEM/c732eea6a6c0464dbdc4a6af6a135bba.png?resizew=100)
![](https://img.xkw.com/dksih/QBM/2016/4/27/1572605673512960/1572605679542272/STEM/ba35e59d6b3947a9985bc2ce54ef6bf2.png?resizew=34)
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10 . 与参数方程为
为参数
等价的普通方程为_____ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1b15c97f4d5266b6e2851a89666a934.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04582116cd765fcc5a52f44279ad6c94.png)
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