名校
解题方法
1 . 已知a,b,c分别为
三个内角A,B,C的对边,且
.
(1)求A;
(2)若
,求
的值;
(3)若
,点D在边AB上,
,
.求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5667d09afb0fa7d66db5e4a1461672f2.png)
(1)求A;
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/01a832ecd4bd6b6a373d0e50bc02e063.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/89d66e84de508cfdeefea262bff0adcf.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2da3c0c643074e2b03b4926cd729d66b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/50196d293a863fe2f9e46199052ab8c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c30cd7b77f8f6f0b9286ba4a6103f10.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解题方法
2 . 在
中,角
的对边分别为
,已知
.
(1)求角
;
(2)若
,求
的值;
(3)若
为
的中点,且
,求
的面积.
![](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/0326bdd06bc1bb8de4a1602a9a407fa9.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/537411780cab7fd6dbfc61abc63190d1.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2f10eef977a28e64d88eab07c862021.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2b65a1a90a6d2c1e89fe1647e60751e8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/60ef95894ceebaf236170e8832dcf7e3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b77f1b9b728f39d0d9618504567eeb96.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
解题方法
3 . 在
中,内角
所对的边分别为
.已知
,
.
(1)求
的值;
(2)求
值;
(3)求
.
![](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/942245aece46d6fa4a771afe4ff05929.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/84aac0acb075f5ff144b8bd69e7a713f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d785e142cccc733f515411efb00e0b1d.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/721e29b775e696045f44a4b1e7f74ef2.png)
您最近一年使用:0次
解题方法
4 . 已知
的内角
的对边分别为
,且
.
(1)求角
的大小;
(2)若
,求
的面积;
(3)若
,求
.
![](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/6cf15d3585f54b2dd2949b9670bdd2f1.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/526de0a979afc6cae6e528a23d5693cc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(3)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67cf40b73e4b9b9bd9fffb7e85b95808.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/959e1458bcfc3c1324fe93a797a27430.png)
您最近一年使用:0次
名校
解题方法
5 . 已知
的内角A,B,C的对边分别为a,b,c,且
.
(1)求a的值:
(2)求证:
;
(3)
的值
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e428e7a09732be85c1224e9c8f6a71c5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fdc8458f250f3b26d6bcd778b4e5abb5.png)
(1)求a的值:
(2)求证:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a2264c134952d41fb9bcb90e6c72c83.png)
(3)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b2a39678c84e2d5ae1f14dacdbe728a3.png)
您最近一年使用:0次
2024-03-25更新
|
1243次组卷
|
3卷引用:天津市南开区2024届高三下学期质量监测(一)数学试卷
解题方法
6 . 在
中,内角A,B,C的对边分别为a,b,c,且
.
(1)求角B的大小;
(2)设
,
.
(ⅰ)求a的值;
(ⅱ)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0d0cc4d61dfb880db04764da89679805.png)
(1)求角B的大小;
(2)设
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/39372e70f5465f8cf0c5ebf7653f0e68.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d80a23e198d6e7b6bccc8d284709c594.png)
(ⅰ)求a的值;
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97f3a180c35808d1fe14ae17876c4cc0.png)
您最近一年使用:0次
解题方法
7 . 已知双曲线C:
(
,
)的焦距为
,左、右焦点分别为
、
,过
的直线分别交双曲线左、右两支于A、B两点,点C在x轴上,
,
平分
,则双曲线C的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/19f3fa0b40fb0d9b8c62e37316ab3b04.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94440d3e4c073f94f2b266ff99d50e74.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/67ca5fd57c2c2fcc3c7a574fdd1467d9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dbff61fe9d4e93d7cc338489d1c99c40.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a3fb78c5f885034612c0e030b920143d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f5076289823db419f94e9c0c8f4aafd9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0ad0573a91986064275b3beaa3749e23.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c3656055f5256cd06e636ea96e9f89c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/fb0efe810673fd4ca71c659e01197942.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
解题方法
8 . 在
中,内角A,B,C所对的边分别a,b,c,其中
,且
.
(1)求c的值;
(2)求
的值;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0c7464d6bf19238cd1cee22add14a1ea.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/52e59a0df8d866088d7ce8f16ae2d01b.png)
(1)求c的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a24a8f5e8fb89381f8add6549170345.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/190405cdc8e51d7986bb80277dc0adfd.png)
您最近一年使用:0次
解题方法
9 . 设双曲线
的左、右焦点分别为点
,过坐标原点的直线与C交于A,B两点,
,
的面积为
,且
,若双曲线C的实轴长为4,则双曲线C的方程为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83bf4fd84818abac17a9d21237ac5ce5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4d2a97987f71835f519b462f5b8f5957.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/4cfd0bd780e1cd0124056bb62e6fae62.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e5eb2485f90dbfd0dfd6e7d179a856f5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6093eebca8f3ff82ce9298feb197e955.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/58c5111fe634ff4335576b8403b086b7.png)
A.![]() | B.![]() |
C.![]() | D.![]() |
您最近一年使用:0次
名校
解题方法
10 . 已知
的内角A,B,C的对边分别为a,b,c,已知
,
.
(1)求
的值;
(2)若
,
(i)求a的值;
(ii)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8f8a432e75401440f42b47502b456f9a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a67c529d3e81a79c4e4409953d316f.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/71a034ac7d59436cebc4759fd850dfb5.png)
(i)求a的值;
(ii)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1e64c143dc5ec927ce39e129760f7bf2.png)
您最近一年使用:0次
2024-03-24更新
|
726次组卷
|
5卷引用:天津市耀华中学2024届高三第一次校模拟考试数学试卷