名校
1 . 已知函数
.下列结论错误 的是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e93e9823f213e7a35458a62d991bd29b.png)
A.![]() ![]() |
B.![]() ![]() |
C.![]() ![]() |
D.把函数![]() ![]() ![]() ![]() |
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2024-01-09更新
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2卷引用:天津市蓟州区第一中学2024届高三上学期第三次学情调研数学试题
2 . 在
中,内角
的对边分别为
.已知
.
(1)求
的值;
(2)若
.
①求
的值;
②求
的值.
![](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/f886376cff443510d0757a5da1722c5c.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e2b1828826f51db4e9a1512a48b2f20.png)
①求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
②求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3f22fd382ec53fc639f32eac8ff96529.png)
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2023-11-10更新
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4卷引用:天津市蓟州区第一中学2024届高三第一次校模拟考数学试卷
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解题方法
3 . 在△ABC中,角A,B,C的对边分别为a,b,c,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e316a1c111407050003d6f79fa83d41d.png)
(1)求B的大小;
(2)若
,求△ABC的面积.
(3)已知
,且α为锐角,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e316a1c111407050003d6f79fa83d41d.png)
(1)求B的大小;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526de0a979afc6cae6e528a23d5693cc.png)
(3)已知
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e21cf114cc62f12c4b1aba787f7dad3c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f72d220108cc89a198501e6275edeb0f.png)
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4卷引用:天津市蓟州区第一中学2023-2024学年高三上学期第一次学情调研数学试题
名校
4 . 已知函数
,给出以下四个命题:①
的最小正周期为
;②
在
上的值域为
;③
的图像关于点
中心对称;④
的图像关于直线
对称.其中正确命题的个数是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/14d9550c4ef3e3b11c9c62a7e45e2604.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/86ebba6ed1add0fe647c0226614b9290.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/de694144e7993d8a34e6c5d98664d031.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e11f4ca0e7ace69f92130d0525bcdb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4b90ba0b211d0dbfd156c221c97139f7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/09f86f37ec8e15846bd731ab4fcdbacd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bff6b199bfe9c5c10432d3464fa0fb21.png)
A.![]() | B.![]() | C.![]() | D.![]() |
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2020-01-30更新
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4卷引用:天津市蓟州区第一中学2023-2024学年高三上学期第二次学情调研数学试题
5 . 已知函数
.
1
求函数
的最小正周期;
2
当
时,求函数
的值域
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b7269734ea1b23999a408b1c2b1d5796.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11d71379442f28c038d367d49422cf90.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/987517758fad59f6f695761deb2a5ebd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0bcc5e06b13e68c6e8d23d7efa851282.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c13a09123ae873e0b0501aaecc507e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/261a1e4279e672b39a4b9b3f6467cf83.png)
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2018-12-11更新
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2卷引用:【区级联考】天津市蓟州区2019届高三上学期期中考试数学(理)试题