1 . 已知函数
.
(1)求函数
的最小正周期;
(2)将函数
的图象向右平移
个单位长度后得到
的图象,当
时,求
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850ce18c9712b611078e3ebd85020741.png)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ac1a63ab608517bb10aa036783dfb51f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bb48434bdcafb5e084fc0b6396cb9469.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
您最近一年使用:0次
2023-11-16更新
|
787次组卷
|
4卷引用:辽宁省本溪市第一中学2023-2024学年高二上学期11月期中考试数学试题
辽宁省本溪市第一中学2023-2024学年高二上学期11月期中考试数学试题江西省大联考2023-2024学年高二上学期11月期中教学质量检测数学试题(已下线)专题16 三角函数单调性、周期性、对称轴、对称中心(期末大题6)-题型秒杀技巧及专项练习(人教A版2019必修第一册)安徽省六安市第二中学河西校区2023-2024学年高一上学期期末数学试题
解题方法
2 . 记
的内角
,
,
的对边分别为
,
,
,已知
.
(1)求角
;
(2)若
为锐角三角形,且
,求
面积的最大值.
![](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/99559b983a56c5a9542d67052902a401.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03837b3769eda7f0d3804cc5ad4a6d60.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2023-11-15更新
|
602次组卷
|
2卷引用:辽宁部分学校2023-2024学年高三上学期期中大联考数学试题
名校
3 . 已知函数
在区间
恰有一个极小值点,三个零点,则
的取值范围是__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd927ea3544bc8bf2df46a4bb294a6db.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d01dc2d99655cf7598837cb0886166ed.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
您最近一年使用:0次
2023-11-10更新
|
492次组卷
|
2卷引用:辽宁省大连市金州高级中学2023-2024学年高三上学期期中考试数学试题
名校
解题方法
4 . 如图,已知
三个内角
,
,
的对边分别为
,
,
,且
,
,
.
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/6218c5fe-55f9-4d59-b760-55e79397fb36.png?resizew=335)
(1)求
;
(2)
是
外一点,连接
,
构成平面四边形
,若
,求
的最大值.
![](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/b71812e0762c0aaffb51cfef66156567.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2bd5b9bbd3d22bd2cef53dd4b9691257.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c44b1e8fff2f5801e2506ca8353153d9.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/11/29/6218c5fe-55f9-4d59-b760-55e79397fb36.png?resizew=335)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
(2)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9d78abbad68bbbf12af10cd40ef4c353.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/411b38a18046fea8e9fab1f9f9b80a5f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11cff497834dca6d39a6f64b93197949.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d40b319212a7e7528b053e1c7097e966.png)
您最近一年使用:0次
2023-11-09更新
|
541次组卷
|
4卷引用:辽宁省县级重点高中协作体2023-2024学年高三上学期11月期中考试数学试题
辽宁省县级重点高中协作体2023-2024学年高三上学期11月期中考试数学试题吉林省梅河口市第五中学2023-2024学年高三上学期期中数学试题(已下线)第15讲 拓展三:三角形周长(边长)与面积问题-【帮课堂】(人教A版2019必修第二册)(已下线)专题12 正余弦定理妙解三角形问题和最值问题(练习)
名校
解题方法
5 . 在锐角三角形
中,
、
、
的对边分别为
、
、
,且满足
,则
的取值范围为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7bef5239ddbb0972700ce01daf9ee7cf.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/8477c9237d6d23fcdd6a6ff35ca7aa25.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fd950ec83d93596468e3aff0bb91e0e9.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
6 . 已知向量
,
,函数
,
相邻对称轴之间的距离为
.
(1)求
的单调递减区间;
(2)将函数
图象上所有点的横坐标缩短为原来的
,再向左平移
个单位得
的图象,若关于x的方程
在
上只有一个解,求实数m的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1850bdd11afe706e6af6fad988152183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c096b19744a18657483bdbd78f578384.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/496e9c35d63d9cb261b097106922c5aa.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)将函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f89eef3148f2d4d09379767b4af69132.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5aeb076bad84890e24dbdc945ad543cb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d2818807dce7e9ec5514de572c3cc644.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39f9668f61feb72e3319d1f89776c17e.png)
您最近一年使用:0次
2023-09-14更新
|
2526次组卷
|
5卷引用:辽宁省重点高中沈阳市郊联体2024届高三上学期期中数学试题
名校
解题方法
7 . (1)已知
,
,求
的值
(2)化简并求值:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1ffb6e00f1387145fd3300527c974544.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/04515cee3fcef6932e8406ed1001abcb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e0d1c5d56b61cbe60aad69145c1493fe.png)
(2)化简并求值:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d3d7a5f6c90b981dc21f70d967aa482.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,内角
的对边分别为
,且
.
(1)求角
的正弦值;
(2)若
,求
边上的中线
的最大值.
![](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/c6c1a524ae836f11d363681d85bb3e84.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f08ce80e91fdf435a8e3ec05be990e9d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0dc5c9827dfd0be5a9c85962d6ccbfb1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/03902478df1a55bc99703210bccab910.png)
您最近一年使用:0次
2023-07-23更新
|
444次组卷
|
2卷引用:辽宁省重点高中沈阳市郊联体2024届高三上学期期中数学试题
名校
9 . 在平面直角坐标系xOy中,已知一列点:
,
,
,…,
,其中
,向量
.
(1)若
,求
的最小值;
(2)若正整数k,m,n满足
,求证:
.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a46bb14963c38ba50c4800163ac1c0be.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/32554852a5bdf18da8612901a7750408.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50eaba5385c3a13b4b6fdab495303c87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b43cdddb7092f05f90bbb1ea5e85f754.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/930bc56406e69b785b37a83d48e36724.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cd62b9cd7eb74a09ce2b6e6e979325ce.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9365a8d485062d3ab890c6ca38605efb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/88e813a5a723281c096a7c0e10c9d9b6.png)
(2)若正整数k,m,n满足
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/22e517c32ed93de4d9cb6e0926337000.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ba0a90aa8665c11a55336721a782d7ca.png)
您最近一年使用:0次
名校
解题方法
10 . 下列各式运算结果为有理数的是( )
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次