1 . 已知函数
.用五点法画函数
在区间
上的图象时,取点列表如下:
(1)直接写出
的解析式;
(2)在锐角
中,若
,且向量
与
共线,求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f50ddaa6ff72ad991e3ce078a704a96f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d4ff8582ef759657dad8e260e2733ce.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)在锐角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d3c28e2fc237e76e757b8a82c619802.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0983098b9ea3182128e07f65637cf9a1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/80486c6a881a102af72dcbc7312d18f8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/36a1b09c653185842513e24ebba60bb3.png)
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解题方法
2 . 已知函数
.
(1)求
的值;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/108a3f724452690e00963a138cacec42.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ac409d344d21b9d29c1903492d610c.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8add74be9d19c70ca4de75cdc73fcad5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e6f90c4754e6b6fc862d72943fb35569.png)
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解题方法
3 . 已知函数
.
(1)求
的值;
(2)求
的单调区间;
(3)若对
,关于
的方程
都有解,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf7fe55ef85d50a21be6138e8b972a1f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853725f1c162fc908a91b73f3b4e2a73.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(3)若对
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a55b3cab862ccbc7a2c2223ae486780.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/577ae7344fd256ae4c8034a4c5fc83fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
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2023-04-27更新
|
376次组卷
|
2卷引用:北京市第一六一中学2022-2023学年高一下学期期中阶段测试数学试题
名校
解题方法
4 . 在
中,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/d6c78071-9c95-4612-ba89-1decc4151606.png?resizew=166)
(1)求
的值;
(2)如图,动点
在以
为圆心,
为半径的劣弧
上运动,求
的最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8d7bce5b3862e12e5c7d206c35052471.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b37750daa8ba3b3fe3e9e2092f81c848.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/5/2/d6c78071-9c95-4612-ba89-1decc4151606.png?resizew=166)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/20cef0efe4bbf6bdb0d6237d3b673a6a.png)
(2)如图,动点
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1347eb13fc8c8c9eab032dd000ddb5d.png)
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解题方法
5 . 已知函数
.
(1)求
的值;
(2)求
的最小正周期;
(3)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a7c7922e3b8da886fb87017e9821e69.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/853725f1c162fc908a91b73f3b4e2a73.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
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6 . 已知锐角
的内角A,B,C的对边分别为a,b,c,且
.
(1)求A;
(2)求
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/63f1d60e7b7da71ccd15a23d331e0695.png)
(1)求A;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9a3697cec523009ccbaa87d793dc7e4.png)
您最近一年使用:0次
2023-04-12更新
|
1364次组卷
|
8卷引用:北京市第二中学2023-2024学年高二下学期期中(第五学段)考试数学试题
名校
7 . 设函数
,从条件①、条件②、条件③这三个条件中选择两个作为已知,使得
存在.
(1)求函数
的解析式;
(2)求
在区间
上的最大值和最小值.
条件①:
;
条件②:
的最大值为
;
条件③:
的图象的相邻两条对称轴之间的距离为
.
注:如果选择的条件不符合要求,得0分;如果选择多组条件分别解答,按第一组解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a4e452fae206e936e6edc432706caae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/44d51992c05a557cf6058664f1f8961e.png)
条件①:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7aa500a0c235dd51b76d9f7f22ac8559.png)
条件②:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4b8503f4706b8321e4e79a87eadea84.png)
条件③:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
注:如果选择的条件不符合要求,得0分;如果选择多组条件分别解答,按第一组解答计分.
您最近一年使用:0次
2023-03-27更新
|
1602次组卷
|
5卷引用:北京市广渠门中学2022-2023学年高一下学期期中考试数学试题
8 . 已知函数
的最小正周期为
,且
的图像经过点
.
(1)求
和m的值;
(2)若函数
在区间
内有且仅有1个零点,求a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34dd47e90443fb2fc939834dca556c19.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/70f5389990c3a0c5373f3bd9fb2454c9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d655ee6d4c2285b6f59652360862d2.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
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2023-08-05更新
|
487次组卷
|
3卷引用:北京市海淀区清华大学附属中学2022-2023学年高二上学期期中考试数学试题
北京市海淀区清华大学附属中学2022-2023学年高二上学期期中考试数学试题北京市第五中学2024届高三上学期10月月考数学试题(已下线)专题5-5 三角函数综合大题归类(2) - 【巅峰课堂】题型归纳与培优练
9 .
中,角
,
,
的对边分别为
,
,
,设
面积为
,已知下列四个条件中,只能同时满足其中三个,①
;②
;③
;④
.
(1)请指出这三个条件,并说明理由;
(2)求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cf231f8f86fb922df4ca0c87f044cec3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b550ee821ee1838384835e81fc34b67.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89ca6c3071d80e05d81db923a43e186.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce9888405fe5cf2a9cb5e827ffc2067b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3d1409df7fe7b713b7d4ccc1c9a731a.png)
(1)请指出这三个条件,并说明理由;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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名校
解题方法
10 . 已知函数
.
(1)求函数
的最小正周期;
(2)若
对
恒成立,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52058d868e3b0ce74581ffb5e3973b2b.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/53f4c832fdc67da2064c14ea741cd33f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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