解题方法
1 . 若角
的终边经过点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884fb14030b8961927fe6c9c3778ed9.png)
_________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f4c21b59d92c33a3b451d6cc13878c45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d884fb14030b8961927fe6c9c3778ed9.png)
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2 . 水星是离太阳最近的行星,在地球上较难观测到.当地球和水星连线与地球和太阳连线的夹角达到最大时,称水星东(西)大距,这是观测水星的最佳时机(如图1).将行星的公转视为匀速圆周运动,则研究水星大距类似如下问题:在平面直角坐标系中,点A,
分别在以坐标原点
为圆心,半径分别为1,3的圆上沿逆时针方向做匀速圆周运动,角速度分别为
,
.当
达到最大时,称A位于
的“大距点”.如图2,初始时刻A位于
,
位于以
为始边的角
的终边上.
,当A第一次位于
的“大距点”时,A的坐标为______ ;
(2)在
内,A位于
的“大距点”的次数最多有______ 次
![](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/3551176fd3003244122a34612d90113c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c896216c135b8c568a5f0987c23947e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22f9341d51c827a29a4a0b0b3dded16c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53a948d2f7732d7f03e986c63712089b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7c7f579d5017888a314d681fe44db8f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/590e165e407098fcac9f871beb047dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abf01af951cc03381ca19150c6fe5364.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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解题方法
3 . 圆
:
上有两定点
,
及两动点C,D,且
,则
的最大值是______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5f5d967ad135991b6075ee45df55643.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cb150cc970eac9e305def6e30f809cc7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2441748df888191b0573843d41779ef6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b11881f7f83dcdd5adb06f124f17d94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/567c0dd42857551011425c07fb594a36.png)
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4 . 已知点
的坐标为
,将
绕坐标原点
顺时针旋转
至
.则点
的坐标为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/663e2a3c6f6988e81c4ffcf1bddd1c4c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
您最近一年使用:0次
2023-07-05更新
|
422次组卷
|
3卷引用:上海市静安区2022-2023学年高一下学期期末数学试题
上海市静安区2022-2023学年高一下学期期末数学试题(已下线)6.2 常用三角公式-高一数学同步精品课堂(沪教版2020必修第二册)上海海洋大学附属大团高级中学2023-2024学年高一下学期3月月考数学试卷
解题方法
5 . 在平面直角坐标系
中,设角
的始边与
轴的非负半轴重合,角
终边与单位圆相交于点
,将角
终边顺时针旋转
后与角
终边重合,那么![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4033bf661bd249e74e95badb913eec79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f6834a22cc57e6dc022c74eae7dac76.png)
您最近一年使用:0次
解题方法
6 . 若角
的终边在直线
上,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700e7235a60e51649ba58ec5fb203e36.png)
______ ;
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4407788e4dc88210bca71a2551d4f2f9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/700e7235a60e51649ba58ec5fb203e36.png)
您最近一年使用:0次
2023-01-12更新
|
648次组卷
|
4卷引用:上海市高桥中学2022-2023学年高一上学期期末数学试题
名校
解题方法
7 . 在平面直角坐标系
中,角
以
为始边,终边与单位圆交于点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c50da11a8b84579a046a83d8929f40.png)
____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3e5af20b2f8c1fba4470f9650989e51.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3b6907b2425e6ececad2f2d7238733db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5c50da11a8b84579a046a83d8929f40.png)
您最近一年使用:0次
2022-11-07更新
|
575次组卷
|
3卷引用:北京市东直门中学2023届高三上学期期中考试数学试题
名校
解题方法
8 . 在角
,
,
,…,
的终边上分别有一点
,
,
,…,
,如果点
的坐标为
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f2448de9abc53feddface73232da1f.png)
______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/25f64fa38725c136504f723019a18dc5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93fa313adc4ac7608ba9449fd755212.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3e8d4017e1a37acb0c8e00508be472b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/239e0264dfbbe9321911516da23259ef.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2708fa6298e52f617383efc175b71ddc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9b9cb8e6ff801523b0304576cd69fd2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/797e67927616b141ed7c6b83f8b6f4fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/550ae612ab23b05e3a7c7b7d4602d3c1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf99487d7860d017c0747ff966edfd77.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee5004120eb141d71c1c8635a2ae52a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60c5689752da354d3aa8564c8a0a4828.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ff2aa68223dfc02f39d7d10fa005387.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c7f2448de9abc53feddface73232da1f.png)
您最近一年使用:0次
2022-03-22更新
|
277次组卷
|
2卷引用:上海市复兴高级中学2021-2022学年高一下学期3月月考数学试题
名校
9 . 筒车是我国古代发明的一种水利灌溉工具,因其经济又环保,至今还在农业生产中得到使用. 明朝科学家徐光启在《农政全书》中用图1描绘了筒车的工作原理.假定在水流稳定的情况下,筒车上的每一个盛水筒都做匀速圆周运动.
![](https://img.xkw.com/dksih/QBM/2022/3/4/2928838592143360/2937366653108224/STEM/1406090a-5eee-4234-945d-ab90831f16c7.png?resizew=458)
如图2,将筒车抽象为一个几何图形(圆),以筒车转轮的中心
为原点,过点
的水平直线为
轴建立如图直角坐标系
. 已知一个半径为1.6m的筒车按逆时针方向每30s匀速旋转一周,
到水面的距离为0.8m.规定:盛水筒
对应的点
从水中浮现(
时的位置)时开始计算时间,且设盛水筒
从点
运动到点
时所经过的时间为
(单位:s),且此时点
距离水面的高度为
(单位:m)(在水面下则
为负数),则
关于
的函数关系式为___________ ,在水轮转动的任意一圈内,点
距水面的高度不低于1.6m的时长为___________ s.
![](https://img.xkw.com/dksih/QBM/2022/3/4/2928838592143360/2937366653108224/STEM/1406090a-5eee-4234-945d-ab90831f16c7.png?resizew=458)
如图2,将筒车抽象为一个几何图形(圆),以筒车转轮的中心
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.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/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac047e91852b91af639feec23a9598b2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf9f50605db5d5f8f3a01ee8e474a112.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c02bc0c74292b1e8f395f90935d3174.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
您最近一年使用:0次
2022-03-16更新
|
1499次组卷
|
6卷引用:天津市部分区2021-2022学年高一上学期期末数学试题
天津市部分区2021-2022学年高一上学期期末数学试题浙江省温州市乐清市知临中学2022届高三下学期5月仿真数学试题天津市河东区2022-2023学年高一上学期期末数学试题(已下线)专题19 三角函数图象与性质-3重庆市万州第二高级中学2024届高三上学期7月月考数学试题(已下线)高一上学期期末【压轴60题考点专练】-2022-2023学年高一数学考试满分全攻略(人教A版2019必修第一册)
解题方法
10 . 已知角
终边上一点
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e540de4eeb64c937c077436c610e917.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cc903c19f7b3b0aa58cdb0cdb7b062a0.png)
您最近一年使用:0次
2020-11-03更新
|
1414次组卷
|
5卷引用:四川省成都市蓉城名校联盟2020-2021学年高三第一次联考理科数学试题
四川省成都市蓉城名校联盟2020-2021学年高三第一次联考理科数学试题四川省成都市蓉城名校联盟2020-2021学年高三第一次联考文科数学试题(已下线)第三章+三角恒等变换(基础过关)-2020-2021学年高一数学单元测试定心卷(人教版必修4)陕西省榆林市第十二中学2020-2021学年高三上学期12月第三次月考数学(理)试题上海市新川中学2023-2024学年高一下学期期中考试数学试卷