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题型:解答题 难度系数:0.65 引用次数:570 更新时间:2018/11/16 03:42:25 题号:7163277
类题推荐
【推荐1】选修4-4:坐标系与参数方程:在直角坐标系eqId2272a344734c4fb088737b84294f7219中,曲线eqId4b6e95bb61d248b4b3827e83f0e97532eqId32454977564e4ee18da36bd51156c509为参数),以坐标原点eqIdaad7b72a25924d078d2360cdc99f1090为极点,以eqIdc12aac8c2448479687a40735b3572a23轴的正半轴为极轴建立极坐标系,曲线eqIdfe33ac7524b14f658e64c52c37499d5c的极坐标方程为eqId3c42df4304d8467bbe7cdaeae21de141.
(1)求曲线eqIdcfc8599bedfb4ab4944abf141f348a9a的极坐标方程;
(2)已知点eqIdeec9ffd4acb24fe489d0bb9b833c6b9d,直线eqId417e80f1349244878d01fe90e0891f5f的极坐标方程为eqIdaf27f36ce7eb4a3dbfb517dc2c710ef3,它与曲线eqIdcfc8599bedfb4ab4944abf141f348a9a的交点为eqIdaad7b72a25924d078d2360cdc99f1090eqIdd7be5abad1e34f6db17a56660de8d54f,与曲线eqIdfe33ac7524b14f658e64c52c37499d5c的交点为eqIdca9308a4ebd84ed8a28d8a519a8dbb39,求eqId3d30c63c143e4806a4f902cd4716a54d的面积.
难度系数:0.65使用:48次题型:解答题更新:2019/6/27
【推荐2】选修4-4:坐标系与参数方程
在极坐标系中,eqIdaad7b72a25924d078d2360cdc99f1090为极点,点eqIdf34fda17b58046de9229f5bd96df2589,点eqIdac8bb493ad45435783cae748d37b73f5.
(1)以极点为坐标原点,极轴为eqIdc12aac8c2448479687a40735b3572a23轴的正半轴建立平面直角坐标系,求经过eqIdaad7b72a25924d078d2360cdc99f1090eqIdcc614bd3390c4d028df189b234dcc351eqId8754ce8cf7f34f04abb9a0c041f57f5c三点的圆eqId2381423d4cd146cab95f55527681a766的直角坐标方程;
(2)在(1)的条件下,圆eqId517584fed25c413ba8b7bb33ffa2d5c6的极坐标方程为eqId065547096aec4832b16c9a4114632e25,若圆eqId2381423d4cd146cab95f55527681a766与圆eqId517584fed25c413ba8b7bb33ffa2d5c6相切,求实数eqId70a27b6ddf6b478285353abb3b1f3741的值.
难度系数:0.65使用:32次题型:解答题更新:2019/6/26
【推荐3】直角坐标系eqId2272a344734c4fb088737b84294f7219中,曲线eqIdcfc8599bedfb4ab4944abf141f348a9a的参数方程为eqId15347d96c46f47ae9fb13dbe8288378b (eqIdc13953f2514e4c8f9c8aaaf5241c33ac为参数),曲线eqIdcb0020d95807419a9fd03d75b2cc04b3
(1)在以eqIdaad7b72a25924d078d2360cdc99f1090为极点,eqIdc12aac8c2448479687a40735b3572a23轴的正半轴为极轴的极坐标系中,求eqIdcfc8599bedfb4ab4944abf141f348a9aeqIdfe33ac7524b14f658e64c52c37499d5c的极坐标方程;
(2)射线eqId90b0b37798a24eb8a25328c654548756eqId6a7f393f5dc644848bdad53096f08ea5eqIdcfc8599bedfb4ab4944abf141f348a9a异于极点的交点为eqIdcc614bd3390c4d028df189b234dcc351,与eqIdfe33ac7524b14f658e64c52c37499d5c的交点为eqId8754ce8cf7f34f04abb9a0c041f57f5c,求eqId4819509fefec4542acccfcf3d67cd699的大小.
难度系数:0.65使用:196次题型:解答题更新:2019/6/21
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