2024高三下·天津·专题练习
名校
解题方法
1 . 在
中,角
、
、
的对边分别为
、
、
,且
,
,
.
(1)求
的面积;
(2)求边
的值和
的值;
(3)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/aa4c355f11471a38f5583a434a1ddeb3.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/23725094c363fd158166a8698971694c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b8e39f22a6212855a32f2a59963e4e81.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
(2)求边
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/79b01adc561735ff5be9bb97266918f2.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6c3a427d602000eb60089a6c4b28bcdb.png)
您最近一年使用:0次
2024-04-19更新
|
600次组卷
|
4卷引用:信息必刷卷05(天津专用)
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
名校
解题方法
3 . 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
|
1235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
4 . 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
5 . 已知
,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7139b4bae5605fcf55f2ddc1e6a7e965.png)
(1)求
的值;
(2)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3097c29ec91aa39d91210984bd9d9d49.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7139b4bae5605fcf55f2ddc1e6a7e965.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/850dba25bf0f5f13541bf9b6ec12b84d.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
您最近一年使用:0次
解题方法
6 . 在
中,内角
所对的边分别为
.
(1)求
的值;
(2)若
,
(ⅰ)求
的值;
(ⅱ)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/572dd3c0d14440a1f68c0cef38a379cc.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/6bb75557d217f59ef1f33e8da1ac0d09.png)
(ⅰ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c94bb12cee76221e13f9ef955b0aab1.png)
(ⅱ)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2311745b54145365d6fbbf42a94db279.png)
您最近一年使用:0次
解题方法
7 . 在
中,角A,B,C所对的边分别为a,b,c.已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2e34a4adaf87ba52790f88a211a6cd.png)
.
(1)证明:
;
(2)求a;
(3)求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ef2e34a4adaf87ba52790f88a211a6cd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5f2c90d58215831b341f7fb68545a5e0.png)
(1)证明:
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/46a70d32c64918aa4d1d9d3ce0bdbf7b.png)
(2)求a;
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b919f0869717376807ca5481f17412.png)
您最近一年使用:0次
名校
解题方法
8 . 在
中,角
,
,
所对的边分别为
,
,
,已知![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2aef0fd9199af0f72978f8204a9fa062.png)
(1)求角
的大小;
(2)若
,
,求边
及
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/2aef0fd9199af0f72978f8204a9fa062.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5963abe8f421bd99a2aaa94831a951e9.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1d3b4d4e6dba0352c14b6845b46863f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/69c2dbf9f00ba360a31ca4cf66ce5e6c.png)
您最近一年使用:0次
2023-06-14更新
|
1668次组卷
|
3卷引用:天津市武清区杨村第一中学2023届高三下学期第一次热身练数学试题
解题方法
9 . 在
中,角
,
,
所对的边分别为
,
,
,且
,
,
.
(1)求
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/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/6659fe1eab34f15c83af3bde702f882b.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3cd07e8a88a2413704e90721ab49315f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3320a13248a3a1208ff6ee85c9d26f36.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b32f2d4d1d2c16c54b2caef17840bfcb.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/071a7e733d466949ac935b4b8ee8d183.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f49672156b2e2ae2671041ed7a879a6a.png)
您最近一年使用:0次
名校
解题方法
10 . 在
中,角
所对的边分别为
,且
.
(1)求
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/24e0c10fb103930eabd5fa18e8f9bb06.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/202aee03c13269ab1d56908a45deabd0.png)
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/51c181f86de3c96a7ef7a1a04c3a438f.png)
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0a6936d370d6a238a608ca56f87198de.png)
(3)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a5b5cf5a187de02ec8604924dbfc92bc.png)
您最近一年使用:0次
2023-03-30更新
|
1099次组卷
|
2卷引用:天津市南开区2023届高三一模数学试题