1 . 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,已知曲线
,过点
的直线
(
为参数)与曲线
相交于
两点,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c0580df1413d0b3a72fe96b740f54e9e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e262b7599fda82ae392ac10df97feff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94ca86580f0135194e18c62fbccc8e00.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/7789a500686c7a73770404ead6af0590.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a6e3d627f5fbd04271389d503942d233.png)
A.40 | B.16 | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
2 . 直线
(
为参数)与圆
(
为参数)相切,则切线的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5cc630bf629f9e6393f1df978de95927.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e235620490c37201654e078a1b10f66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
A.![]() ![]() | B.![]() | C.![]() ![]() | D.![]() |
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3 . 直线l:
(t为参数)的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3520e4d78aa29f4b3258d9108fb555c2.png)
A.20° | B.70° | C.160° | D.120° |
您最近一年使用:0次
2021高三·全国·专题练习
解题方法
4 . 直线
(
为参数)的倾斜角是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2536fda85b49e0b3283355ac61693bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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5 . 已知圆
的圆心是直线
(
为参数)与
轴的交点且圆
与直线
相切,则圆的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa91c72760f4d68c24dc772c66c8f76.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/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32c935806559b1a913a7edb3c804999.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 已知直线的参数方程是
(t为参数),则直线的倾斜角大小是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b106b3372456901217e1b2586c3da6.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
7 . 直线
(
为参数)被曲线
所截得的弦长为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04b106b3372456901217e1b2586c3da6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b3cf706fe2ae0b2e99041ec1f4bf9ed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2021-09-11更新
|
714次组卷
|
2卷引用:山西省阳泉市盂县第三中学校2020-2021学年高二下学期期中数学(文)试题
8 . 已知抛物线
,直线
与抛物线C交于
两点,则
的长度为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bb4dd4670828f75bc573b52cdd02e1d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6927f2d990f86f12483a7fc8ebf47d7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/35dc0430b373aaa67a7379aeea0f9cb6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/05da40a2d7dab5d6a003906ca19d4749.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
9 . 直线
(t为参数,θ是常数)的倾斜角是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f6845fa96827941d8d6834dccae2df7.png)
A.105° | B.75° | C.15° | D.165° |
您最近一年使用:0次
2021-08-24更新
|
160次组卷
|
2卷引用:安徽省宣城市郎溪中学2020-2021学年高二下学期第一次月考文科数学试题
10 . 已知直线
的参数方程是
(
为参数),则
的倾斜角为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c50b6e954c62183808df202b28608ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
A.110° | B.70° | C.30° | D.20° |
您最近一年使用:0次