名校
解题方法
1 .
中,
,
,
分别是角
,
,
的对边,且有
.
(1)求角
;
(2)当
,
时,求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.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/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/c501924ac5a873dbb98192b905fb6d59.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)当
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1bf4c55e68427cca325cfbddedcf84eb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2022-12-24更新
|
2083次组卷
|
4卷引用:云南省昆明市第三中学2022届高三上学期第一次综合测试数学(理)试题
2 . 已知函数
.
(1)求
的最小正周期和对称中心.
(2)求
在区间
上的最大值和最小值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ea11a30ebc230182c571b326ec86c425.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c9b100f5b5baa43ac5335541931ffab.png)
您最近一年使用:0次
2023-05-10更新
|
640次组卷
|
7卷引用:江苏省淮安市盱眙县都梁中学2020-2021学年高一下学期第一次学情检测数学试题
解题方法
3 . 在
中,内角A,B,C的对边分别为a,b,c,且
.
(1)求C;
(2)若
,
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9ad3c6e6db8b60e4c455ef3b03961cad.png)
(1)求C;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60b97bb18e5ca34d22b5e827316a122a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76e8871c9e1f42289021e7b23aa0ae84.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
名校
解题方法
4 . 已知
是方程
的两根,且
求:
(1)![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/34e9c90c5950c6551b6dd832769459d2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a613efc0e9597d25e776ebced822850.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4c2dca39b72759d83d081cdda365f2c.png)
(1)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e673f7e66c2a252da4c77c70d90c8cec.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8dc4c63a548b91061528aa11058de75.png)
您最近一年使用:0次
2022-11-30更新
|
591次组卷
|
3卷引用:上海市光明中学2020-2021学年高一下学期期中数学试题
名校
解题方法
5 . 已知在
中,角A,B,C的对边分别为a,b,c,且
,
,
.
(1)求b的值;
(2)求
和
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ff214d99784c6b23b7784bdaf3ed37a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/348551d9ea36d82fab80ae54df9d6c89.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/110d7c6c666a05e6ed45b45ef99edd6a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15cc07eb487a2f384935c8668160e153.png)
(1)求b的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f2d4d1d2c16c54b2caef17840bfcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e4aae1dc870a60a2070469d556deb472.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf550868eb6cca6ab2c91de8acabdf82.png)
您最近一年使用:0次
名校
解题方法
6 . 把函数
图象上的所有点向右平移
个单位,再把每一个点的横坐标变为原来的2倍(纵坐标不变),就可以得到函数
的图象.
(1)求函数
的表达式;
(2)若函数
的图象在区间
上至少存在2021条对称轴,求实数a的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/07b8b7c6ad7e1e76a2f802d3265c5434.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c67d01e61dc0042e67b5e8ec8e727c22.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7a1f14faa304ec247af3c7c4e053f967.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
(2)若函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef4a90cfdbfa05577b6ec0b22739e7c7.png)
您最近一年使用:0次
名校
解题方法
7 . 在
中,角
,
,
所对边分别为
,
,
,且
,
,
.
(1)求边
及
的值;
(2)求
的值.
![](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/eb573197384b9410cb951a4d1e301b3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/534f33cc16d82470cbff68beffead264.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6950900f2551c9b195f16d617275adfe.png)
(1)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c8e5d4f93699f8dcffb0e7840ca5597e.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7881f30b2d2473c9f3c27dacf056e20b.png)
您最近一年使用:0次
2022-04-23更新
|
1569次组卷
|
7卷引用:天津市滨海七校2020-2021学年高三上学期期末联考数学试题
天津市滨海七校2020-2021学年高三上学期期末联考数学试题(已下线)专题15 第一篇 热点、难点突破《测试卷》 -2021年高考数学二轮复习讲练测(浙江专用)天津市第二南开学校2021-2022学年高三上学期期中数学试题天津市宝坻区第一中学2020-2021学年高三上学期第三次月考数学试题天津市耀华中学2022届高三下学期统练9数学试题天津市滨海新区塘沽第一中学2022届高三下学期高考模拟数学试题天津市河东区2023届高三二模数学试题
2021高一上·全国·专题练习
解题方法
8 . 已知函数
.
(1)求函数
的最大值并指出
取最大值时
的取值集合;
(2)若
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/21d512157ccc2c5aec65f3d9d42dbbb7.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3ee974117bc7b5bcd0a7a6f9145e688e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0b4179e1ab8705cf19ea7aaf48888843.png)
您最近一年使用:0次
21-22高一上·全国·期末
9 . 在①函数
的图象向右平移
个单位长度得到
的图象,
图象关于原点对称;②函数
;③函数
这三个条件中任选一个,补充在下面问题中,并解答.
已知___________,函数
的图象相邻两对称中心之间的距离为
.
(1)若
,且
,求
的值;
(2)求函数
在
上的单调递减区间.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2c7401bfdddc541c43663e8c4ad3b65.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0cdaf49f9611922348aa2784465da614.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/be1ce3f01e2b6364f9a9fdaf197d5e29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/286bdf02bb839a72201068b0e417d11e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6d023955f35a15a0ba246b2e2a871517.png)
已知___________,函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b1ad72d7565699d1ebb741eb0ce12bac.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b45c89d1cb5a4f758539bdda2e31fa94.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/61c62ea6638460a2933ae5b49d5622fd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bd288d4152caf5fc8187a1a901c8949f.png)
(2)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4fe7d5809da02c15a43a0e9a898b9086.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c9722e4d3ac91cd51e2dcd43001d5204.png)
您最近一年使用:0次
名校
解题方法
10 . 函数
的部分图像如图所示.将
的图像向右平移
个单位后得到函数
的图像.
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932392326004736/2946016004972544/STEM/04b3eee8-b4e4-429a-bfd5-bdf18b275f29.png?resizew=180)
(1)求函数
的解析式;
(2)在
中,它的三个内角满足
,求角
的大小.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e17151152bf96d3ea05207fb79cb76d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c530f4b7491b95acb8ce3eef9aa09d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/af9955b5aebb73cd84447e8541f901ac.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
![](https://img.xkw.com/dksih/QBM/2022/3/9/2932392326004736/2946016004972544/STEM/04b3eee8-b4e4-429a-bfd5-bdf18b275f29.png?resizew=180)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6a1cfb60420ff7e72c1b9d64f69ae063.png)
(2)在
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f821038eab25618a3ccd7d0a4c481c80.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
您最近一年使用:0次