名校
解题方法
1 . 在①
,②
,③![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f6cef6fcef0d1cbba47f319f66ce7b.png)
.这三个条件中任选一个,补充在下面的横线上,并加以解答.
在△ABC中,角A,B,C所对的边分别为a,b,c,已知
,
.
(1)若
,求△ABC的周长;
(2)若 ,求
的值.
注:如果选择多个条件分别解答,按第一个解答计分.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2ef8ad9f9cf060771d47d36cde93afae.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a67d2986eb079cae361856130baf4689.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f3f6cef6fcef0d1cbba47f319f66ce7b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c32e2f2d7147cf1699fbfdef9cf4af74.png)
在△ABC中,角A,B,C所对的边分别为a,b,c,已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a81eedf404aeb0a2310a310910f73d83.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0e86f3b859a01f55beb8dc8ce5f5c30a.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/759ee5f5ca252f6acce1aacea9d17fa6.png)
(2)若 ,求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
注:如果选择多个条件分别解答,按第一个解答计分.
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解题方法
2 . 已知
分别为
的内角
的对边,且
.
(1)求角
;
(2)若
的面积为
,求
的周长.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.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/0a47b60e0976e811cdd6d9e19573e347.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c5db41a1f31d6baee7c69990811edb9f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fcb73a2dc40069c748730f6bac9031e9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2023-05-07更新
|
2825次组卷
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6卷引用:安徽省六安第一中学2022-2023学年高一下学期期中考试数学试题
名校
解题方法
3 . 已知函数
,若函数
在
有且仅有两个零点,则实数
的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/913ef6072dafdb265e73868f9a8c7994.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f55cfcbb5c5950e18a8452b38bb17036.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/074c228ffc7b1e306f8410afe7bc4b5c.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
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4 . 已知函数
图象的相邻两条对称轴之间的距离为
,且
的图象经过点
.
(1)求
的解析式;
(2)设函数
,若
在区间
上的取值范围是
,求实数
的取值范围.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/40899755d6535746c1ea5574a146adf7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d49f8a63ddbca52039fa9ab44cda6b29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de1a5747fe5b134d03bb11c59d2dfafe.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)设函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3760fe47d6332beb58076833b3a6cb7a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4669810732b633b60dbeaf0bf57204f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c98fe8dc83ef94f632ee2b30914b5b7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/294f5ba74cdf695fc9a8a8e52f421328.png)
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解题方法
5 .
中,角
、
、
所对的边分别为
、
、
,则“
是直角三角形”的充分条件是( )
![](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)
A.![]() | B.![]() |
C.![]() | D.![]() |
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解题方法
6 . 锐角△ABC中,角A,B,C所对的边分别为a,b,C,若
,则sinA的取值范围是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ce1e2fd31a6a7d82690e8aa14bb4b88a.png)
A. ![]() | B.![]() | C.![]() | D.![]() |
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2023-04-27更新
|
781次组卷
|
6卷引用:安徽省省十联考2022-2023学年高一下学期期中联考数学试题
名校
解题方法
7 . 已知向量
,
.
(1)若
∥
,求
的值;
(2)若
且
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/eb29323de454fb7e9b8652aedc1785bb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf68c0dd3fd5a9c8d8f211b233771d7d.png)
(1)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7e163480714acc9dae5005cac65d217d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c37564ec4e9e92485f1769e8ffaac31d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/99c5a05a11f731194a845e68a0479ce4.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2392cd400700b2f5e6f137d1717977b1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a32dee858aac8ee0591ac132de72868.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/66db91bb3be9e2b6ad567774e3699758.png)
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8 . 已知函数
,则下列说法正确的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fe0a1cb02c030a5782a9a45719bdc132.png)
A.当![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.![]() ![]() |
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2023-04-15更新
|
250次组卷
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2卷引用:安徽省阜南实验中学2022-2023学年高一下学期5月月考数学试题
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9 . 已知
,
,
,
,则![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c2d00ef3a01f64abcd50284fa21c85e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2f9b3ce8cb79fd020fc0a9f0e3d252ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/96c71f8c37584413945bd34899128304.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/90ca3f0a4b2d06539e74594736881aaa.png)
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2023-09-04更新
|
918次组卷
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9卷引用:安徽省马鞍山市当涂第一中学2022-2023学年高一下学期期中数学试题
安徽省马鞍山市当涂第一中学2022-2023学年高一下学期期中数学试题河北省石家庄市2022-2023学年高一上学期期末模拟数学试题(已下线)5.5 三角恒等变换(精讲)-《一隅三反》系列(已下线)第03讲 5.5三角恒等变换+5.6 函数y=Asin(ωx+φ)(1) -【练透核心考点】(已下线)专题08 两角和与差的三角函数-【寒假自学课】(苏教版2019)(已下线)高一上学期期末考点大通关真题精选100题(2)-【题型分类归纳】(人教A版2019必修第一册)(已下线)模块一 专题4 三角恒等变换 讲 (苏教版)(已下线)4.2 两角和与差的三角函数公式-同步精品课堂(北师大版2019必修第二册)广东省广州市增城中学、广东华侨,协和中学三校2023届高三上学期期中联考数学试题
名校
10 . 已知函数
(
,
,
)的部分图象如图所示.
(1)求函数
的解析式;
(2)若
,
,求函数
的值域.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9576e5bcd4a25437d90d91514566e14a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/13378be06b6b01bcad1d261ff14e87cf.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a4456675a5dbe545462a22cef9aca8fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/690ddbf3bec40e6cfc20f4e20992b5d8.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2023/9/2/cf4c9abb-56b1-42b0-817a-10207b3dd384.png?resizew=144)
(1)求函数
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3d1abab9a907a95a36e4f184c2898fe4.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3a0a5133b8460df6c46da0e44051e2a5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a813b5adbf5c7082561237894ba6d599.png)
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