名校
解题方法
1 . 已知
,
,
分别为
的三个内角
,
,
的对边,已知
,
,
,若满足条件的三角形有两个,则
的取值范围是( )
![](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)
![](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/9b173ac8cc4ac4f1c9e1daaa605fbb27.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/413f9851aad373d782ae62b308f1de85.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ecbf7575ec7f9c22f3b51084fe190b57.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/81dea63b8ce3e51adf66cf7b9982a248.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
2020-03-03更新
|
245次组卷
|
3卷引用:贵州省贵阳市乌当区2023届高三上学期期中质量监测数学(理)试题
贵州省贵阳市乌当区2023届高三上学期期中质量监测数学(理)试题(已下线)6.4.3.2正弦定理(课时作业)-2021-2022学年高一数学同步精品课件+课时作业(人教A版2019必修第二册)四川省德阳市什邡中学2018-2019学年高一下学期4月月考数学试题
解题方法
2 . 梅花山索道位于贵州省六盘水市钟山区梅花山旅游景区,索高高差620m,最高运速为6m/s,全长9.91km,为世界上最长同路径山地索道,2019年7月31日通过世界纪录认证机构认证.游客从景区的景点A处到C处有两条路径,一条是从A处沿直线步行到C处;另一条是先从A处沿索道乘缆车到B处,然后从B处沿直线步行到C处.现有甲、乙两位游客从A处下山,甲沿AC匀速步行,速度为50m/min,在甲出发2min后,乙从A处乘缆车到B处,在B处停留1min后,再从B处匀速步行到C处.假设缆车匀速直线运动的速度为130m/min,山路AC长为1260m,经测量
,
,则索道AB的长为_________ (单位:m);当乙出发_________ (单位:min)后,乙在缆车上与甲的距离最短.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/11a88bacbe94044ba51babedf92133d8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/94a67c529d3e81a79c4e4409953d316f.png)
![](https://img.xkw.com/dksih/QBM/editorImg/2022/11/22/5543f9f2-e9c7-4d02-ba9b-f3ed18086b5e.png?resizew=122)
您最近一年使用:0次
2022-11-20更新
|
75次组卷
|
2卷引用:贵州省六盘水市2021-2022学年高二下学期期末质量监测数学(文)试题
3 . 在平面直角坐标系中,
为坐标原点,
,互不相同的点
均满足
,记
,且
,若点
均在同一函数的图象上,则下列满足条件的可能是( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1dde8112e8eb968fd042418dd632759e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c2a5adedeb891858484d6d9a383a87f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/643f9a16d37995787d1dad529810fbbc.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/97ae1f2de31ad200c0be0a65306a96e5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8e765486bc742b3433f581e58504e331.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/54a4d503af3cf358ad272c08429258c6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1d7f2c72ab559a0615db4c51327b78d4.png)
A.![]() ![]() ![]() | B.![]() ![]() ![]() |
C.![]() ![]() ![]() | D.![]() ![]() ![]() |
您最近一年使用:0次
4 . 在
中,角
所对的边分别为
,已知
.
(1)求角
;
(2)若
的面积为
,
,求
的值.
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.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/aebe81d90dad0db8d1883ead8cc909f0.png)
(1)求角
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/7f9e8449aad35c5d840a3395ea86df6d.png)
(2)若
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/0faed94a64b2dcfc6801b4fca0f16675.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a7ffe8515ff6183c1c7775dc6f94bdb8.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/144eb44c6960d5c0ed0485b54a7a4ceb.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e2526197224eea5878e62d46952cd669.png)
您最近一年使用:0次
2018-12-27更新
|
246次组卷
|
3卷引用:贵州省思南县梵净山中学2023届高三上学期11月月考数学试题
名校
解题方法
5 . 已知
,
,且
,
均为锐角,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/a077ceccea768ed3c664d38d55242fbd.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/06397fbd8b97298fc8bf8f1f42e21d92.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/e170f206fdbbd834aad7580c727e2cc6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5858ee1ce52b251816757257a11c29.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/3eacde1c42151734fdc60f3001b590de.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次