解题方法
1 . 在极坐标系中,直线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
(
为参数),被曲线
所截得的线段长为 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a461995b90655f5133df6f61c2d09bd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38f0cdd4f18c05e350523a2bd76b1808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3dc2c09a9d082bf57a554a023a22096.png)
![](https://img.xkw.com/dksih/QBM/2015/6/15/1572123335229440/1572123341135872/STEM/4d676fb0304f4e19910f4452d745c994.png?resizew=12)
您最近一年使用:0次
2 . 在直角坐标系
中,直线
的参数方程为
(t为参数).在极坐标系(与直角坐标系
取相同的长度单位,且以原点
为极点,以
轴正半轴为极轴)中,圆
的极坐标方程为
,若直线
平分圆
的周长,则
=___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7795aec93c2c7ac2fd93e6747ca6516c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b041f653ad7e3dffe63e525595cd8246.png)
![](https://img.xkw.com/dksih/QBM/2015/6/15/1572123048148992/1572123054063616/STEM/29ad883a33ce4f8b9eac68c699c89ba0.png?resizew=29)
![](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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e0cb878349009a779d94b1bc40319bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
3 . (坐标系与参数方程选做题)在极坐标系中,点
到直线
的距离为______ .
![](https://img.xkw.com/dksih/QBM/2015/6/4/1572119523704832/1572119604535296/STEM/b9a108a835f041f0b662c2651f0c6710.png?resizew=58)
![](https://img.xkw.com/dksih/QBM/2015/6/4/1572119523704832/1572119604535296/STEM/3bc3e197cfa84ec39e568f264aca047d.png?resizew=132)
您最近一年使用:0次
解题方法
4 . 已知直线
的参数方程为
(
为参数),曲线
的极坐标方程为
,点
是直线
上的一个动点,过点
作曲线
的切线,切点为
,则
的最小值为_______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f078ba2bbd55706922d03f871993c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/094ab3a9f3a40f6fc88a4184371dc745.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f82358b724051b032c7ec734a226ae84.png)
您最近一年使用:0次
5 . 若实数
满足
,则
的范围是___________ .
![](https://img.xkw.com/dksih/QBM/2015/5/11/1572102172803072/1572102178234368/STEM/6dbc5a141fbc44d8b85118e81e245443.png?resizew=28)
![](https://img.xkw.com/dksih/QBM/2015/5/11/1572102172803072/1572102178234368/STEM/2c49cf69105e49e4be34ab6caeb02272.png?resizew=113)
![](https://img.xkw.com/dksih/QBM/2015/5/11/1572102172803072/1572102178234368/STEM/f0319393421947ba866fb41ce1f0b109.png?resizew=37)
您最近一年使用:0次
6 . 在直角坐标系
中,以原点
为极点,
轴的正半轴为极轴建立极坐标系.若曲线
的参数方程为
(
为参数),曲线
的极坐标方程为
.则曲线
与曲线
的交点个数为 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.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/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63b1f01a91df9c34e9df722d1ce42822.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/0f957ddbe8e6ba2375784897ac3b707c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
您最近一年使用:0次
7 . (坐标系与参数方程选做题)曲线![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319bdd02464019827584973e66e9b8ab.png)
(
为参数),若以点
为极点,
轴正半轴为极轴建立极坐标系,则该曲线的极坐标方程是 .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/319bdd02464019827584973e66e9b8ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54df5475e4f9d6f6d054b053e167246b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3d1a34ae2b8c77f8d7e355c6d1d667e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0b35172dc22c88e496413fb018d4d52.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
您最近一年使用:0次
8 . 在直角坐标系
中,直线
的参数方程为
(t为参数),以原点O为极点,以x轴的正半轴为极轴建立极坐标系,曲线C的极坐标方程为
,则直线
和曲线C的公共点有_____ 个.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ced237ad28970d9ff6cde111cbbdb2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d8455e5478eb7fe1d4b3b8d70555d877.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
名校
9 . 已知直线
的参数方程为
(
为参数),圆
的参数方程为
(
为参数).若直线
与圆
有公共点,则实数
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40e3f861e228df33d257ad0f31dd2535.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b4201afa92934d57c963d1cf4ec1f414.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次
2016-12-03更新
|
978次组卷
|
4卷引用:2015届广东省惠州市高三第三次调研理科数学试卷
10 . 在直角坐标系
中,以原点
为极点,
轴正半轴为极轴建立极坐标系.若曲线
经过曲线
的焦点,则实数
的值为___________.
![](https://img.xkw.com/dksih/QBM/2015/3/12/1572005545041920/1572005550538752/STEM/5c36c391b2074c25a91666c221d581d9.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/295e1f4c0b28c9b529401732584aeabb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14b0cbde0c4f04962f6a04777b01bcce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
您最近一年使用:0次