1 . 在直角坐标系
中,点P,Q绕坐标原点按逆时针方向同时开始做匀速圆周运动,点P从点
出发,角速度为
,点Q从点
出发,角速度为
,以射线OP与OQ为终边的角分别设为
与
,则
后,
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/665dcd809810ee5fe05400afdfbb1d0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f0be4e86e0a64766a36226369fa1f60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06931c18dad4c87489c3e68fb52cae68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2602a6dfcd3fbe82320214b5cf079284.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15b7a662db44251ff09d2bc4cd5574bc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/994d6e7f47b3b98aa848c05d0af8f65e.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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2 . 在
中,角A,B,C的对边分别为a,b,c,已知
,
,
.
(1)求
的值:
(2)在边AB上取一点D,使得
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/305a88d4e0249bd16d48eda01331d2d4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c14a66ed4bd66df65bc42c4ac1ed15c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e54a36173cd9b7b28e91619d715cb569.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)在边AB上取一点D,使得
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8b4d0763facfa79f8c74283692f4a664.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dcfaf93da169b266db050f095be1dd37.png)
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3 . “
”是“函数
为偶函数”的( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cfc25ff51adfd89d4fc8280f9f19de6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49e1e6a24a415c7a498cf068b413662f.png)
A.充分而不必要条件 | B.必要而不充分条件 |
C.充分必要条件 | D.既不充分也不必要条件 |
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2023-05-05更新
|
2056次组卷
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5卷引用:北京市东城区2023届高三二模数学试题
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解题方法
4 . 在平面直角坐标系
中,已知点
,将线段
绕原点顺时针旋转
得到线段
,则点B的横坐标为____________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7ee31829d0d4d5f779a957d7df8058ab.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8cf20e3ebeef0b0099d7ab856520c87d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b90e0f35eda1a729fed485f83da5ea9d.png)
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2023-05-05更新
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4卷引用:江苏省苏锡常镇四市2022-2023学年高三下学期5月教学情况调研(二)数学试题
江苏省苏锡常镇四市2022-2023学年高三下学期5月教学情况调研(二)数学试题(已下线)第四章 三角函数与解三角形 第一节 任意角、弧度制及任意角的三角函数(A素养养成卷)黑龙江省牡丹江市第一高级中学2023届高三热身考试(二)数学试题(已下线)4.1 任意角、弧度制及任意角的三角函数值(高三一轮)(同步课时-基础卷)
5 . 彝族图案作为人类社会发展的一种物质文化,有着灿烂的历史.按照图案的载体大致分为彝族服饰图案、彝族漆器图案、彝族银器图案等,其中蕴含着丰富的数学文化.如图1所示的漆器图案中出现的“阿基米德螺线”,该曲线是由一动点沿一条射线以等角速度转动所形成的轨迹,这些螺线均匀分布,将其简化抽象为图2所示,若以
为始边,射线
绕着点
逆时针旋转,终边与
重合时的角为
,终边与
重合时的角为
,终边与
重合时的角为
,则
的值为( )
![](https://img.xkw.com/dksih/QBM/2023/4/25/3224004894965760/3229339191975936/STEM/55f380959bf445389e04aca93708e599.png?resizew=326)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4113c492885ba7c47fe42ac792578f.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/b90e0f35eda1a729fed485f83da5ea9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a299d2b999568e80be8005565ba209a4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c4cd68cc82e90a5e2049a7ea3171b84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9f435efcc7869eec21bdba1ed81dc3f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b3c6a73fa2bd0e381630f7fa7b1eba6e.png)
![](https://img.xkw.com/dksih/QBM/2023/4/25/3224004894965760/3229339191975936/STEM/55f380959bf445389e04aca93708e599.png?resizew=326)
A.1 | B.![]() | C.![]() | D.0 |
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6 . 如图,在正三棱柱
,中,
,
在
上,
是
的中点,则
的最小值是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/201d8ab8-ad7b-4054-b1a2-4bc1c62f47af.png?resizew=141)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/42d3a82b8e587ee890467835bc4e854c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4339a40ae9d1947ec3a4b3e2fa3a16cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee8456443402a25b1e25d35ff7e1c98.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e26d9636ad77369535852c6e4493446a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7d039313a8394838c590746a9e63d0d6.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/3/201d8ab8-ad7b-4054-b1a2-4bc1c62f47af.png?resizew=141)
A.![]() | B.![]() | C.![]() | D.![]() |
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2023-04-30更新
|
1258次组卷
|
4卷引用:四川省资阳市2023届高考适应性考试数学(理科)试题
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解题方法
7 . 已知
,
都是锐角,
,
.
(1)求
和
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a361e46c92099a4514aff2b7b056656a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06397fbd8b97298fc8bf8f1f42e21d92.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01148b95e11bb680205baa38b23d333c.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63fe57d4fbae536de2e641d9d349fcf1.png)
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2023-04-30更新
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498次组卷
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2卷引用:山东省青岛市西海岸新区2022-2023学年高一下学期期中数学试题
8 . 已知函数
的部分图象如图所示.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/28/18ca2ffb-4df7-4dc6-b125-878b1dfe6372.png?resizew=138)
(1)求
的解析式,并求
的单调递增区间;
(2)当
时,
,求
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5005cf5a19f960d9415fbf16c17341a.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/28/18ca2ffb-4df7-4dc6-b125-878b1dfe6372.png?resizew=138)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/65dc08f706c3f4f016db58dc239511f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a23ec821b5896710d79bfe703cec01a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9ba9745c01bcc7c3b62a4ee6dd60a3a.png)
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9 . 绿水青山就是金山银山.近年来,祖国各地依托本地自然资源,打造旅游产业,旅游业蓬勃发展.某景区有一直角三角形区域,如图,
,
,
,现准备在中间区域打造儿童乐园
,M,N都在边AC(不含A,C)上且
,设
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/28/ca6909d8-ec80-4678-924d-a31e7e36298a.png?resizew=159)
(1)若
,求
的值;
(2)求
面积的最小值和此时角
值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c08aec674a2358db8ef49f7fdcd85c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f2a8d0c77c54fdf9aa97978f8e5dc0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/72c4340dcffb0783d118a587e5352a2d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fa02fe2cd193b4fa919afabd5373dee2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5e90939a4637d1f549d6b404e6dee090.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/28/ca6909d8-ec80-4678-924d-a31e7e36298a.png?resizew=159)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/afdb057012617f11a06f5eb0eced64be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/38d0469336f71edd52dc9148c67db052.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
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10 . 已知
,
.
(1)求
;
(2)若
,且
,求
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d3895ddeba038c4b001232b5865b61fb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a341e216f1debf91baff691c684bc946.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3a282d19bf2c827a98d4443330f7ca1.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a49d3f5290945ffde99491c95574bc79.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80ad8a9bcd8f80cd1694012fdf6470c3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2023-04-21更新
|
750次组卷
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7卷引用:江苏省南京市江浦高级中学等3校2022-2023学年高一下学期3月月考数学试题
江苏省南京市江浦高级中学等3校2022-2023学年高一下学期3月月考数学试题(已下线)高一数学下学期第二次月考模拟试卷(第9-13章)山东省东营市利津县高级中学2022-2023学年高一下学期5月月考数学试题(已下线)第01讲 三角函数(11个必刷考点)-《考点·题型·密卷》四川省阆中中学校2023-2024学年高一下学期4月期中学习质量检测数学试题四川省阆中中学校2023-2024学年高一下学期期中考试数学试题(已下线)江苏省南京市六校联合体考试2023-2024学年高一下学期4月期中数学试题变式题16-19