11-12高三·陕西西安·阶段练习
名校
1 . 在极坐标系中,圆C的极坐标方程为
,点P的极坐标为
,过点P作圆C的切线,则两条切线夹角的正切值是____
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4379686440233eb6698e519f4de94d22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94869ae8f4e594e8a38a5549006f444d.png)
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2 . 在极坐标系中,直线
的方程为
,则点
到直线
的距离为___ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22be57c4cca7ad5ce80cf1455e1278a3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8579ea7738bfba757fd06ff6a063acb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
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2016-12-03更新
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651次组卷
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4卷引用:陕西省延安市第一中学2019-2020学年高二下学期期中数学(文)试题
2010·广东·一模
3 . 坐标系与参数方程选做题极坐标方程分别为
和
的两个圆的圆心距为____________ .
![](https://img.xkw.com/dksih/QBM/2013/6/24/1571250211692544/1571250217320448/STEM/c8ef0a2187f94f358b53835ff01e8bd1.png?resizew=75)
![](https://img.xkw.com/dksih/QBM/2013/6/24/1571250211692544/1571250217320448/STEM/bae668b208744bd4b72b454dc3346136.png?resizew=63)
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12-13高二下·河南三门峡·阶段练习
解题方法
4 . 已知直线
(
为参数)相交于
、
两点,则|
|=_____________ .
![](https://img.xkw.com/dksih/QBM/2014/11/17/1571895561584640/1571895567368192/STEM/fc2e15f9ca224727a0f7d3b91e04bfd5.png?resizew=209)
![](https://img.xkw.com/dksih/QBM/2014/11/17/1571895561584640/1571895567368192/STEM/46c1e84f4d354157b52a04fb5b32ec0a.png?resizew=13)
![](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/f52a58fbaf4fea03567e88a9f0f6e37e.png)
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真题
5 . (考生注意:请在下列三题中任选一题作答,如果多做,则按所做的第一题给分)
![](https://img.xkw.com/dksih/QBM/2010/6/25/1569771375550464/1569771380498432/STEM/ef47e5c9f51f4331b4db1b980dd75d3f.png?resizew=190)
A.(不等式选做题)不等式
的解集为
B. (几何证明选做题) 如图,已知Rt△ABC的两条直角边AC、BC的长分别为3cm、4cm,以AC为直径的圆与AB交于点D,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8343a6f1c7eca9869bc7d2c3b1f4404a.png)
C, (坐标系与参数方程选做题)已知圆C的参数方程为
(a为参数)以原点为极点,x轴正半轴为极轴建立极坐标系,直线l的极坐标方程为
,则直线l与圆C的交点的直角坐标系为____
![](https://img.xkw.com/dksih/QBM/2010/6/25/1569771375550464/1569771380498432/STEM/ef47e5c9f51f4331b4db1b980dd75d3f.png?resizew=190)
A.(不等式选做题)不等式
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4a4187a7c3b77623b5152a5785f79670.png)
B. (几何证明选做题) 如图,已知Rt△ABC的两条直角边AC、BC的长分别为3cm、4cm,以AC为直径的圆与AB交于点D,则
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8343a6f1c7eca9869bc7d2c3b1f4404a.png)
C, (坐标系与参数方程选做题)已知圆C的参数方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/920a74c5559812b3d6ac0bf7cb67384d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/174e096282d38a2482244880356711da.png)
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12-13高三·陕西宝鸡·阶段练习
6 . 在直角坐标系中,曲线
的参数方程为
;在极坐标系(以原点为坐标原点,以轴正半轴为极轴)中曲线
的方程为
,则
与
的交点的距离为__________
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/5dde1d396f664dbe8fad9b6339a10a42.png?resizew=23)
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/7e4abbc6762a4785bedb6ca743b88ba0.png?resizew=81)
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/a7c0621a792d4875b1c7a8bf2b375220.png?resizew=21)
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/973e480e04474603b6c8654a4c96c281.png?resizew=124)
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/66e9aac0436d446ba22147c136592324.png?resizew=20)
![](https://img.xkw.com/dksih/QBM/2014/2/19/1571511750131712/1571511755759616/STEM/a7c0621a792d4875b1c7a8bf2b375220.png?resizew=21)
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10-11高三下·湖南长沙·阶段练习
解题方法
7 . 设直线参数方程为
(
为参数),则它的斜截式方程为_________ .
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570970041122816/1570970046504960/STEM/f972013344fd4a56b0c445702d997c40.png?resizew=86)
![](https://img.xkw.com/dksih/QBM/2012/8/15/1570970041122816/1570970046504960/STEM/ec4e9696838f4bd89c77e1fb14909e14.png?resizew=9)
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