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1 . 香农定理是通信制式的基本原理.定理用公式表达为:
,其中
为信道容量(单位:
),
为信道带宽(单位:
),
为信噪比.通常音频电话连接支持的信道带宽
,信噪比
.在下面四个选项给出的数值中,与音频电话连接支持的信道容量
最接近的值是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/74c21280da5add920dff0e366a46bf79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d787ef00aad66473daeb31bd3b65bf0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72bc766cbead9ec6fb613abe669b0be2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c91fa27331e9958df48fd5633432e4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4127daf7bda6bd8eda3ca8edd6476979.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdddac11848fa96bd1670b77188a0f5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
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3卷引用:北京市密云区2022-2023学年高一上学期(12月)数学期末试题
北京市密云区2022-2023学年高一上学期(12月)数学期末试题安徽省马鞍山市第二中学2022-2023学年高一下学期开学考试数学模拟试题(1)(已下线)河南省济源市、平顶山市、许昌市2022届高三文科数学试题变式题1-5
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2 . 已知集合
,规定:集合
中元素的个数为
,且
.若
,则称集合
是集合
的衍生和集.
(1)当
,
时,分别写出集合
,
的衍生和集;
(2)当
时,求集合
的衍生和集
的元素个数的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d5de9c4ca739b182a9c449c262276570.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/62e3fb64fd9c714eee9f5c1b3ef5c53a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19467f6bde28cbff6c0b48bd31955f5b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d07059e9a11aad43c2a414d018844db0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a18722354086c42e62334983fc50eb6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd3b9e816b14051f785aa5aae72b8eed.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7c345907ebe27888332b1b44c666cc47.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2卷引用:北京市密云区2022-2023学年高一上学期(12月)数学期末试题
3 . 石景山游乐园“梦想之星”摩天轮采用国内首创的横梁中轴结构,风格现代简约.“梦想之星”摩天轮直径
米,总高约
米,匀速旋转一周时间为
分钟,配有
个球形全透视
度全景座舱.如果不考虑座舱高度等其它因素,该摩天轮的示意图如图所示,游客从离地面最近的位置进入座舱,旋转一周后出舱.甲乙两名同学通过即时交流工具发现,他们两人进入各自座舱的时间相差
分钟.这两名同学在摩天轮上游玩的过程中,他们所在的高度之和的最大值约为( )
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025895093993472/3026054310617088/STEM/ab30fbba97fa4d03a3bf652974e68414.png?resizew=320)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ef0a9f421547e737ec464d29b314403.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b837fd9c52f60bfb3b6852733abc790.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/735e839cc67c5cadcd83635a87628937.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01639bca9e56b3a1caf0808e06d49a54.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://img.xkw.com/dksih/QBM/2022/7/19/3025895093993472/3026054310617088/STEM/ab30fbba97fa4d03a3bf652974e68414.png?resizew=320)
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9卷引用:北京市密云区2023届高三上学期阶段练习数学试题
北京市密云区2023届高三上学期阶段练习数学试题北京市石景山区2021-2022学年高一下学期期末数学试题(已下线)突破5.7 三角函数的应用(重难点突破)-【新教材优创】突破满分数学之2022-2023学年高一数学重难点突破+课时训练 (人教A版2019必修第一册)(已下线)专题5.13 三角函数的应用(重难点题型精讲)-2022-2023学年高一数学举一反三系列(人教A版2019必修第一册)(已下线)专题4-1 三角函数中的高频小题归类-3(已下线)江苏省七市2022届高三下学期第二次调研考试数学试题变式题1-5(已下线)专题11 三角函数图象变换及三角函数应用(2)-期中期末考点大串讲(已下线)5.7三角函数的应用(分层作业)-【上好课】(已下线)5.7 三角函数的应用(重难点突破)-【冲刺满分】
4 . 设
且
,集合
,若对
的任意
元子集
,都存在
,满足:
,
,且
为偶数,则称
为理想集,并将
的最小值记为
.
(1)当
时,是否存在理想集?若存在,求出相应的
;若不存在,请说明理由;
(2)当
时,是否存在理想集?若存在,直接写出对应的
以及满足条件的
;若不存在,请说明理由;
(3)证明:当
时,
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0704f453b2de48d36911f7db496bbf82.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65a40142c84be68ee2918c3a8303388c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/179de8d0ec06e96b2fa0ac16ede34e0e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b52b4f24969673c863b5aff4fb6751ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bbd28f29074d36b6721a929eb217f9ba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b73abfe4bc26b1ded680d7abb1a2cac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf538440bd45e5881f2b22994560ba7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ae24688d4c45aad43e9af0b7bbfda6b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f0a532e15e232cb4b99a8d4d07c89575.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc2d3df37e73a8abea815f37dbb3fff5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf3834d7ec7531f3c3c0ce9b286f7a49.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be604061cf1591f7069472269d4c9719.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c76fbcfa1d6ec3bec5f131a8c953a705.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
(3)证明:当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fac3649308b528fd56545ba102dc42d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b58ca66d3e9ac1283703b5063ac9bea.png)
您最近一年使用:0次
5 . 从2008年的夏季奥运会到2022年的冬季奥运会,志愿者身影成为“双奥”之城的“最美名片”.十几年间志愿精神不断深入人心,志愿服务也融入社会生活各个领域.2022年的北京冬奥会共录用赛会志愿者18000多人.中学生志愿服务已经纳入学生综合素质评价体系,为了解中学生参加志愿服务所用时间,某市教委从全市抽取部分高二学生调查2020—2021学年度上学期参加志愿服务所用时间,把时间段按照
,
,
,
,
分成5组,把抽取的600名学生参加志愿服务时间的样本数据绘制成如图所示的频率分布直方图.
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/13/9cab314a-757d-49f8-896f-f1b8cec33ed6.png?resizew=270)
(1)根据频率分布直方图,用每一个小矩形的中点值代替每一组时间区间的平均值,估计这600名高二学生上学期参加志愿服务时间的平均数.并写出这600个样本数据的第75百分位数的一个估计值;
(2)若一个学期参加志愿服务的时间不少于3.5小时视为“预期合格”,把频率分布直方图中的频率视为该市高二学生上学期参加志愿服务时间的概率,从全市所有高二学生中随机抽取3名学生,设本学期这3名学生中达到“预期合格”的人数为
,求
的分布列并求数学期望
;
(3)用每一个小矩形的中点值代替每一组时间区间的平均值,把时间段在
的数据组成新样本组A,其方差记为
,把时间段在
的数据组成新样本组B,其方差记为
,原来600个样本数据的方差记为
,试比较
,
,
的大小(结论不要求证明).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0a60dc47e209aed54536de5b2e73a8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3baefc763fc4038f8420ad937e420125.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/018d6416f75e0bd2d85c08847a215bab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8651788dd8026bbf4291c11799484202.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c4b9d565588c9b8452b5acee6bd6e330.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/10/13/9cab314a-757d-49f8-896f-f1b8cec33ed6.png?resizew=270)
(1)根据频率分布直方图,用每一个小矩形的中点值代替每一组时间区间的平均值,估计这600名高二学生上学期参加志愿服务时间的平均数.并写出这600个样本数据的第75百分位数的一个估计值;
(2)若一个学期参加志愿服务的时间不少于3.5小时视为“预期合格”,把频率分布直方图中的频率视为该市高二学生上学期参加志愿服务时间的概率,从全市所有高二学生中随机抽取3名学生,设本学期这3名学生中达到“预期合格”的人数为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f022950e0faa45b617d497b01b5292b9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9fc79c66ebaacd709ec9965b90a22b14.png)
(3)用每一个小矩形的中点值代替每一组时间区间的平均值,把时间段在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46cfcd083cd1b16eb9198793c427133d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb69cddfe3735928e635de500d0c544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/248be7813a26c5b76de3c11d987732b8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a90c4e2542179f22f8e4e77e51cbcff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eeef26e47d21ca12cdb4c8240c17296.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cbb69cddfe3735928e635de500d0c544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a90c4e2542179f22f8e4e77e51cbcff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6eeef26e47d21ca12cdb4c8240c17296.png)
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6卷引用:北京市密云区2022届高三4月期中数学试题
6 . 已知点
,
和点
,
.给出下列四个结论:
①点
到直线
的最大距离为
;
②当
最大时,
=
;
③
的面积的最大值为
;
④若
,则
.
其中所有正确结论的序号是________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60d295a4cc3a58f9f38ee98337313c81.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1fcf82d01c39fd2c96e1edba0ad37dd6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/285f34134c43ba75b616c6591afa79c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e36c9c91220b0f2cbd4a48e8fa90e3d.png)
①点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d1f190b17530d81d927c358ac84757a4.png)
②当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/59bafaec1cbb31d644a0df6bbd4fe4f0.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ce5dcaffd91bc44cda4a2e44000ae73.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
③
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2205cffebf8c4d5f81d15ed7b85c8936.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d4e7d0191acd17b6a0330ed4e0682f24.png)
④若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3c94427559676f1e8227566d7d3ce46.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4eea11be684f46600795154c1ef93268.png)
其中所有正确结论的序号是
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7 . 在各项均不为零的数列
中,选取第
项、第
项、…、第
项,其中
,
,若新数列
为等比数列,则称新数列为
的一个长度为
的“等比子列”.已知等差数列
,其各项与公差
均不为零.
(1)若在数列
中,公差
,
,且存在项数为3的“等比子列”,求数列
的通项公式;
(2)若
,数列
为
的一个长度为
的“等比子列”,其中
,公比为
.当
最小时,求
的通项公式;
(3)若公比为
的等比数列
,满足
,
,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac52d20d7bb3a6631f5035ef18b64c19.png)
,证明:数列
为数列
的“等比子列”.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6defc43285a40f7ccb74c1cc04265eba.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/423b7ae39db552e60ee8b1d27312306f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/27628b047da341c79074ea4aa938ddc8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/527093b2ec760913d0dccff8a099248b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d0c5b45ef6860f96dd3f033b456056c8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/31ba164203399725ee3c6d42ba903b56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
(1)若在数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5c1344592c925b273f2cb9b9e47ebbb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e234c3ca9dee1ae2a17638010eaf7f90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7dbd9fd3c51552c29d7c351790bb2404.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ffcbf641680b1c03802d53984840ab66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2eaa992a449b828df0ff545e233b279b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3bbbf4d763f3cbe5a71707bc19c78191.png)
(3)若公比为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9aa8a716a31b0f51b70fdf9bdb257909.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89fe0f4e8a80a2840c0f6929a8a6351b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/769fe52ac96348d3b12d23d06d702595.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac52d20d7bb3a6631f5035ef18b64c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a8eeab42f189f7464a50e44bd29406e7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/034ba25825c13725931c483aa47c9363.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
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8 . 为了解某地区居民每户月均用电情况,采用随机抽样的方式,从该地区随机调查了
户居民,获得了他们每户月均用电量的数据,发现每户月均用电量都在
之间,进行适当分组后(每组为左闭右开区间),得到如下频率分布直方图:
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900011722899456/2915739091656704/STEM/91aec52b-58a0-419c-a7e6-70b5634e1543.png?resizew=335)
(1)记频率分布直方图中从左到右的分组依次为第
组、第
组、
、第
组,从第
组、第
组中任取
户居民,求他们月均用电量都不低于
的概率;
(2)根据上述频率分布直方图,估计月均用电量的样本数据的第
百分位数;
(3)该地区为提倡节约用电,拟以每户月均用电量为依据,给该地区月均用电量不少于
的居民用户每户发出一份节约用电倡议书,且发放倡议书的数量为该地区居民用户数的
.请根据此次调查的数据,估计
应定为多少合适?(只需写出结论).
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0efba7147f5b9ced8bc4a72f0a9fb8af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/790e2b2ad866f333b5bfae9eda8b6522.png)
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900011722899456/2915739091656704/STEM/91aec52b-58a0-419c-a7e6-70b5634e1543.png?resizew=335)
(1)记频率分布直方图中从左到右的分组依次为第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bdaa19de263700a15fcf213d64a8cd57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/daa5e9bd516f6282483b92cfe6074623.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d91e07104b699c4012be2d26160976a2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6f8c4c029e552954bd493b49aeab82d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61128ab996360a038e6e64d82fcba004.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5440465fcd339327df4e3cd70288ddb1.png)
(2)根据上述频率分布直方图,估计月均用电量的样本数据的第
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a17161b28b6ad8f57abc5b11e1b6c671.png)
(3)该地区为提倡节约用电,拟以每户月均用电量为依据,给该地区月均用电量不少于
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b9ac1c235e7d960c2095836f38ef77e2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7a32a7dc4004cc5d940f8f6197e90ec.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/595044a7750ab4f84519041979c3d780.png)
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2022-02-13更新
|
433次组卷
|
2卷引用:北京市密云区2022届高三上学期期末考试数学试题
9 . 如图所示,角
的终边与单位圆在第一象限交于点
.且点
的横坐标为
,若角
的终边与角
的终边关于
轴对称,则( )
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900011722899456/2915739091288064/STEM/3cac2ff62f8d4e2bb4475f8b0e8525d5.png?resizew=236)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/954795d1842974a705f9468f3b952ab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d053b14c8588eee2acbbe44fc37a6886.png)
![](https://img.xkw.com/dksih/QBM/2022/1/22/2900011722899456/2915739091288064/STEM/3cac2ff62f8d4e2bb4475f8b0e8525d5.png?resizew=236)
A.![]() | B.![]() |
C.![]() | D.![]() |
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