解题方法
1 . 设函数
.
(1)当
时,求
的最大值;
(2)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4106d512c39d9d100878c27484612d4f.png)
(1)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d003123a00ab2c34c28db58e32e6cf15.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ad247495d64553003b221298c649c4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf1275a8764ca69e547a89ca5dfd56ae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a2ff0e5c78c04beea4e773185195da30.png)
您最近一年使用:0次
名校
2 . (1)已知
,化简:
;
(2)已知
,
,
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a17491898e262bf44270327387e38ff.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1a5ed07a38e965f998958801086c513f.png)
(2)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2dd24c8f0c65cb162074dd487f1dfe0b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2009f499bd63e2abcdad449710ed6dfc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/481e744af0f65e797a35d976c20f2dac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80493d763d23b64e24cf758d6197f225.png)
您最近一年使用:0次
2023-05-20更新
|
439次组卷
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3卷引用:江苏省盐城市响水中学2022-2023学年高一下学期期中数学试题
名校
解题方法
3 . 如图,平面四边形
中,
,
,
.
的内角
的对边分别为
,且满足
.
是否有外接圆?若有,求其半径
;若无,说明理由;
(2)求
内切圆半径
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecf7679c8b4b1e442ce4286d4b0e9c32.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/55c24a968c73e960698a572ab01e3698.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f7dbf31dfd36aa456a63bafea8bc1985.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6ee37de9ad32a4ba3cd1f4dde4fb5482.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4aa0df7f1e45f9de29e802c7f19a4f64.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11bc05f41215f9894e11d1df0465751a.png)
您最近一年使用:0次
2023-05-08更新
|
1639次组卷
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3卷引用:江苏省无锡市市北高级中学2023-2024学年高一下学期期中考试数学试题
解题方法
4 . 已知向量
,
,设函数
.
(1)若
,求
的值;
(2)求函数
,
的最大值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a9b8b019ed6c0d2b01e3ee8dd2cc3082.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/951a57a244058c554a134b8e3e6b61c7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b256d6f05a02b36a9fe5794cbe62f819.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/460e5ba67828c57daf2edb497fb52e56.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7b9f3b7c22842bd568b70a755edfb6cf.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34201cb1d63502dfe0884601bf3cfedb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd5cdde751120c6deab563a6f7f8cf05.png)
您最近一年使用:0次
解题方法
5 . 已知
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91306e5cec1e557af95deb0f220b7bf9.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e9fecf0b79f2a1bfd06934d620495c90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/91306e5cec1e557af95deb0f220b7bf9.png)
您最近一年使用:0次
2023-05-05更新
|
596次组卷
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2卷引用:江苏省连云港市东海县2022-2023学年高一下学期期中数学试题
名校
解题方法
6 . 已知角
,
为锐角,
,
.
(1)求
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/012d9e689fad99451f00ec75f8b40cfb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/87a117dbe0c39cd0eae1f97eb6dce981.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1db796b223b35e52aa7b4114da8072f5.png)
您最近一年使用:0次
2023-05-05更新
|
442次组卷
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4卷引用:江苏省连云港市东海县2022-2023学年高一下学期期中数学试题
江苏省连云港市东海县2022-2023学年高一下学期期中数学试题(已下线)模块三 专题4 大题分类练(三角恒等变换)(苏教版)(已下线)模块三 专题4 大题分类练(三角恒等变换)【人教B版】内蒙古自治区呼和浩特市第二中学2022-2023学年高一下学期6月月考数学试题
名校
7 . 已知
,
,设函数
,其中
.
(1)求
及其函数
的表达式;
(2)若函数
的定义域为
时值域为
,求a,b的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c01145cfa98f9ad7fecd8504224bc1dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e040db23fd80e30c660d152e70d9c489.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96d1a7dc5788eca24637aaeed7d5f742.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20849c00c47cbdc43f18d53341b6c4e5.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d61a65af5b7ab2400eec5499e9a81565.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/942c2141d01bde6b48210c56a17fc75e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a7ac80b964f5baf79f5faa7ac1e2983.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e28e45dd4cefbbbe59f349d3a251f895.png)
您最近一年使用:0次
8 . 已知
的内角A,B,C的对边分别为a,b,c,则下列结论正确的有( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.若![]() ![]() |
B.若![]() ![]() |
C.若![]() ![]() |
D.若![]() ![]() |
您最近一年使用:0次
名校
解题方法
9 . 重庆荣昌折扇是中国四大名扇之一,其精雅宜士人,其华灿宜艳女,深受各阶层人民喜爱.古人曾有诗赞曰:“开合清风纸半张,随机舒卷岂寻常;金环并束龙腰细,玉栅齐编凤翅长”.荣昌折扇平面图为图2的扇形
,其中
,
,动点
在
上(含端点),连接
交扇形
的弧
于点
,且
,则下列说法正确的是( )
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/25/fcf238d2-f4f3-4855-86fd-3c00e62503fd.png?resizew=397)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bf126cfed85fa9b7720ec6f7b0008dc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3642e8bec790542c6be82513c91976f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69806e71afaf3e0581c5e0a9ece91358.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bb3820bab977db734f4335e4fde720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/abd13974aebe38eb2a1d744a01ea5aa5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4819c39c281427826e1b3f7a4c2b720.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/16d65cecaf8a3dc2953f4109c75a981e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/acc290b44635265137fdf13146b6a6d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b4f6e4185297e39eff72d2d986f02f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/4/25/fcf238d2-f4f3-4855-86fd-3c00e62503fd.png?resizew=397)
A.若![]() ![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
2023-04-21更新
|
810次组卷
|
4卷引用:江苏省泰州中学2022-2023学年高一下学期期中数学试题
江苏省泰州中学2022-2023学年高一下学期期中数学试题(已下线)模块二情境7 发现数学之美四川省成都市四川天府新区华阳中学2022-2023学年高一下学期5月月考数学试题(已下线)第13讲 拓展一:平面向量综合问题-【帮课堂】(人教A版2019必修第二册)
名校
解题方法
10 . 某公园有一块三角形空地,如图,在
中,
,
,为了增加公园的观赏性,公园管理人员拟在
中间挖出一个池塘
用来放养观赏鱼,
、
在边
上,且
.
,求
的长;
(2)为节省投入资金,池塘
的面积需要尽可能的小,记
,试确定
为何值时,池塘的面积最小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d542f02c7b1815933d27ff2fa031ee1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f86c589939053ce21ce0a67cf40054a9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b03428a8f91a5674cb8f54766c165f7e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2a30f3a8b673cc28bd90c50cf1a35281.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a0ed1ec316bc54c37c4286c208f55667.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be5c3a6c24a928f9d7508ca02b334fe5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d33cf3c179591ca4ed32ced81b1647a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49b50357a6545cae8348e3059312f520.png)
(2)为节省投入资金,池塘
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4c105d6ba18fbb0581fb982175e2eac9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0cf054e01d671fd082d0e92c4d44704.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c24095e409b025db711f14be783a406c.png)
您最近一年使用:0次
2023-04-21更新
|
479次组卷
|
4卷引用:江苏省镇江市丹阳市2022-2023学年高一下学期期中数学试题