2024高三·全国·专题练习
1 . 在数列中,已知a1=0,
,Sn为数列
的前n项和,求S100的值.
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名校
解题方法
2 . 设
的内角A,B,C所对的边分别为a,b,c,且![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8603ae7a8417d09605fa706e31d3dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c530bf4caa9e3af6de7b640646a74ba7.png)
.
(1)求边c的值;
(2)求
的面积.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e8603ae7a8417d09605fa706e31d3dbe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c530bf4caa9e3af6de7b640646a74ba7.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5d4ccac324b04d0aba1189652f358e0d.png)
(1)求边c的值;
(2)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
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2024-03-31更新
|
445次组卷
|
2卷引用:宁夏银川市第二中学2023-2024学年高一下学期月考一数学试卷
24-25高一上·全国·课后作业
3 . 画出当
时,
的求解思路.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9e10e1c43b86a8cd4360ca9b57232164.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5f28031b036e4a37be931d5ff28368.png)
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4 . 已知数列满足
,
.
(1)求
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/83cf38189d5cbf627d2b82ac0eb76006.png)
(2)求数列
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41cf1da18d91f7c98086553d157d1a87.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b6a24198bd04c29321ae5dc5a28fe421.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08eb71ecf8d733b6932f4680874dbbf3.png)
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2024-03-26更新
|
1620次组卷
|
2卷引用:江西省五市九校2024届高三下学期2月开学联考数学试卷
解题方法
5 . 已知等差数列中,
,
.求
的通项公式;
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2024高一下·全国·专题练习
6 . 某海轮航行的速度大小为30海里/小时,在A点测得海面上油井P在南偏东
,向北航行40分钟后到达B点,测得油井P在南偏东
,海轮改为北偏东
的航向再行驶80分钟到达C点,求P,C间的距离.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8ac09dc1ca2cdd7aef28c218763d3e4d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2d5bca00fa20e6e80480b9d06d2e52ee.png)
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2024高一·上海·专题练习
解题方法
7 . 在
中,角
,
,
所对的边分别为
,
,
,且
,求角
.
![](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/4747643e51a83e476f09146ba7669fe9.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
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2024高一·上海·专题练习
解题方法
8 . 在中,
,求
的值
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2024高一·上海·专题练习
解题方法
9 . 记
的内角
,
,
的对边分别为
,
,
,已知
,证明:
;
![](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/e289885f61af21a6a78d68cd1e7588c2.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/baa8d75a6638e08eedbff8662267da6f.png)
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