在平面直角坐标系中,曲线
的参数方程为
(
为参数),直线
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.
(Ⅰ)求曲线
以及直线
的极坐标方程;
(Ⅱ)若
,直线
与曲线
相交于不同的两点
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11abd09af119941fa000c5dd85d6f2e5.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/c98febbfe1f5824a450409fb00fe652f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(Ⅰ)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(Ⅱ)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/383f12cb70ca55eba4ff012771dbfa9d.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/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a5d7d3b6b63fe5c24c3907b7a8eaa3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7c6e79462cfb604dd045ac30fce944f.png)
更新时间:2020-01-10 12:54:09
|
相似题推荐
解答题-问答题
|
适中
(0.65)
名校
【推荐1】在平面直角坐标系
中,曲线
的参数方程为
为参数),在以坐标原点为极点,
轴的正半轴为极轴的极坐标系中,直线
的极坐标方程为
.
(1)求曲线
的极坐标方程和直线l的直角坐标方程;
(2)若射线
与曲线
交于点
(不同于极点
),与直线
交于点
,求
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea7fbc2359cb8ea94925a7c60ed1f4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/757cc2f991fc97a773ceffbbd3a041fa.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若射线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5fc93d75b389831128b343cd940f1474.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04dca304413b5242368ca8220b6ae691.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
名校
【推荐2】在平面直角坐标系
中,曲线
的参数方程为
(
为参数),曲线
的普通方程为:
,以坐标原点
为极点,
轴的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
,
分别交于
,
两点(异于极点
),定点
,求
的面积.
![](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/946cc87d3fdbb96eb8e2e816b46b956d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7975636f6315bacd0246474a3a389ddb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/b3e186ebc624ebacde9a03b96289f1ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](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/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/317ebedfc0f5a96937fad87914a6f74b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20a5e0a51c9e14fb246b0ba0b231c1e3.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】已知平面直角坐标系中,曲线
的参数方程为
(t为参数,
),以原点O为极点,x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)求曲线
,
的直角坐标方程;
(2)射线l的极坐标方程为
,若射线l与曲线
、
分别交于异于原点的A,B两点,且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a458f423ddd16328c2d87349f427da7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9bf039c46a25e331446c6ee1e9af3c82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bcdebedd02b4ea57f8562443742086d3.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
(2)射线l的极坐标方程为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b250e36ed4172c966f9c7e5df1b0097.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1241216f3c1cb5e73043dd1037f556d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23f3ffe7abc59e2f65d827c8eab8d36a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/deeb60992acd9c89ae995f63d979ec17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】已知曲线
的参数方程为
(
为参数).以平面直角坐标系
的原点
为极点,
轴的正半轴为极轴,取相同的单位长度建立极坐标系,设直线
的极坐标方程为
.
(1)求曲线
和直线
的普通方程;
(2)设
为曲线
上任意一点,求点
到直线
的距离的最值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/93c793971841aadbf30b1040aa6bd322.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/434723b4f76c8c6ce310d20ff9c7bbbf.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)设
![](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/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在直角坐标系中,以原点为极点,x轴的正半轴为极轴建立极坐标系,已知曲线
,过点
的直线l的参数方程为
(
为参数),直线l与曲线C分别交于
两点.
(1)写出曲线C的直角坐标方程和直线l的普通方程;
(2)当
时,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fee3ed5747742944e9e6d7e3de15da34.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e262b7599fda82ae392ac10df97feff0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52c4414cdb15bce1caa186b5170097b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
(1)写出曲线C的直角坐标方程和直线l的普通方程;
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e874de01735e5f6570d29615964563a6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】在平面直角坐标系
中,已知直线
(
为参数),
为
的倾斜角,
与
轴正半轴,
轴正半轴分别交于
两点,且
的面积是
.
(1)求
;
(2)以坐标原点
为极点,
轴正半轴为极轴建立极坐标系,求
的极坐标方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4319042000275ce39fea812cb10f29fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2b83beedb3438153e6f728545fe3e03.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1c0874f019492261eb175bdcc08c189d.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6369cd1db768436809404b1f3c4132c0.png)
(2)以坐标原点
![](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/0f85fca60a11e1af2bf50138d0e3fe62.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐1】在平面直角坐标系
中,已知曲线
(
为参数),在以原点
为极点,
轴的非负半轴为极轴建立的极坐标系中,直线
的极坐标方程为
.
(1)求曲线
的普通方程和直线
的直角坐标方程;
(2)过点
且与直线
平行的直线
交
于
两点,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/003d0b090af2e966b456439f6852e460.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.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/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/10168b3f73ccf4527ad6205783c27ea1.png)
(1)求曲线
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
(2)过点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22c8c934fb978c8840bed9680408977c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0f85fca60a11e1af2bf50138d0e3fe62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e9b0f5f44abbc6544a2f672b025b013.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01c74a907dda6bb7d9d56d009d9df253.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50c3028d7bc07acc1a8caa19bca712e6.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐2】在直角坐标系
中,直线l的参数方程为:
(t为参数).在以坐标原点O为极点,x轴正半轴为极轴的极坐标系中,曲线C的极坐标方程为
,直线l与曲线C交于两不同的点M,N.
(1)写出直线l的普通方程与曲线C的直角坐标方程,并求
的范围;
(2)求
中点P轨迹的参数方程.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1b818a2a0868185319d928e2ada93a4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa03ffa6c3c6625105ab6755a9c49dc.png)
(1)写出直线l的普通方程与曲线C的直角坐标方程,并求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411461db15ee8086332c531e086c40c7.png)
您最近一年使用:0次
解答题-问答题
|
适中
(0.65)
【推荐3】在直角坐标系xOy中若将曲线
,(
为参数)的每一点横坐标变为原来的
倍(纵坐标不变),然后将所得的图象向左平移一个单位得到曲线C.以直角坐标系xOy的原点O为极点,x轴非负半轴为极轴建立极坐标系,点P的极坐标为
,直线l极坐标方程为
.
(1)求曲线C的直角坐标方程与直线l的参数方程;
(2)若直线l与C相交于A,B两点.求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/77beb19da9ede8d68a938fb0b089b10f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f7860272b0c201a4d9d435769a2f38f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cc46d0836eedcb1253766cb703d3f35.png)
(1)求曲线C的直角坐标方程与直线l的参数方程;
(2)若直线l与C相交于A,B两点.求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3979f27823cdcba516dfa885d8afe19d.png)
您最近一年使用:0次