名校
解题方法
1 . 已知
,
,
分别为
的三个内角
,
,
的对边,且
,点
在边
上,且
,
,则
的面积最大值为___________ .
![](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/b49a745ab99e5bd43d46231a8a891124.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8455657dde27aabe6adb7b188e031c11.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/f52a58fbaf4fea03567e88a9f0f6e37e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ad072c96836c6d9a4bcb61993203fd66.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/037b342a682cbd4241855a243da3c016.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
您最近一年使用:0次
2 . 若复数
(其中
为虚数单位)所对应的向量分别为
和
,则
的面积为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d73c25490ec76b8c17a5a653cd8770f6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2c05b9832b09731a574d4a4adf7448de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/993a22c614a6c5bdf974f0a7036764fe.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/95985232e68bbf4e37f147d89efbfed6.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5927f1967a8f72e8fb887edb5023a921.png)
您最近一年使用:0次
解题方法
3 . 点
在直径为
的半圆上移动,过点
作圆的切线
,且
,
,当四边形
的面积最大时,![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
___________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/ced06b71073e1bb777f326f06016ce17.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dad2a36927223bd70f426ba06aea4b45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/d583183429b6b31aa9742eefc67d3181.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/2e374c42b5cfb02418126a8d96cbdb7d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/db8761258f0cab31832682cf768652d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5b5b20900d8d44227bcccda9a77416d5.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9251dff989f7d60db751b73033dee269.png)
您最近一年使用:0次
2021-01-29更新
|
322次组卷
|
2卷引用:湖南省郴州市2020-2021学年高一上学期期末数学试题
名校
解题方法
4 . 已知
的内角A,B,C的对边分别为a,b,c,若
,且
的面积为
,则
的最小值为__________ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/49337469a322f3a242b21fcb1335d78f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41322821ce31416fdac8dd6e0aa41c71.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/df27a2642af197c9ed20fe70b077f3a3.png)
您最近一年使用:0次
2020-09-22更新
|
378次组卷
|
3卷引用:湖南省岳阳市平江县第一中学2020-2021学年高二上学期期末数学试题
13-14高一下·北京海淀·期中
名校
5 . 在三角形ABC 中, AB =
,AC = 1,∠A= 30o,则三角形ABC的面积为______ .
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5c3f8c3ba00c59e0634ed10fa85289de.png)
您最近一年使用:0次
2018-04-28更新
|
913次组卷
|
7卷引用:湖南省邵阳市第十一中学2020-2021学年高二上学期期末数学试题