在
中,若
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/854e68b995b672792bb915ef502fcd5e.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/41de4d71f031a145ffee28a1c487baed.png)
A.![]() | B.![]() | C.![]() | D.![]() |
更新时间:2024-05-23 09:37:45
|
相似题推荐
单选题
|
适中
(0.65)
解题方法
【推荐1】已知
,则
( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/aba80cedfc1d555aa90dc04e471d8495.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/064e29bf9840337775d83eadfbc3042a.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】若
,
,则
的值为( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dea07f2e65ca9cd7b8d16095c2b7c131.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/cdaa1ee778b5903e3f90dce7a8702d88.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9146fc0a63e5c14a8fa46573e60c07ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐1】在
中,角
的对边分别为
,若
,
,则
面积的最大值为( )
![](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/af30a92eda72d7b4daf2dc17c0c078af.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/5a3c442579603164f3fc19458677d307.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐2】在△ABC中角ABC的对边分别为A.B.c,cosC=
,且acosB+bcosA=2,则△ABC面积的最大值为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/158b045c6172c4178d7aa52083e1489f.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次
单选题
|
适中
(0.65)
【推荐1】设
的内角
所对的边分别为
,若三边的长为连续的三个正整数,且
,
,则
为
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/dd936a2405709574af0a73543d94ad9c.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/9a49e31da04245306a0d8a5a6b18c35a.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/76f0649064a085fb74c997fb507a9b6d.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/08cab0a9a7ed67ecb562086b95ce500f.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/8c5056edfa3794a5b141d7934c579427.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/bf8e0a486b401911742708e8592775a4.png)
A.4∶3∶2 | B.5∶6∶7 | C.5∶4∶3 | D.6∶5∶4 |
您最近一年使用:0次
单选题
|
适中
(0.65)
名校
解题方法
【推荐2】在
中,角A,B,C所对的边分别为a,b,c,若
且
,则
等于( )
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/b717eff7a720fb0c2533f0bbab601e45.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/1f22fec5a381ae8aca93d876e54c79de.png)
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/c1311f32edf13f8caee5edb03f24a7ba.png)
A.![]() | B.![]() | C.![]() | D.![]() |
您最近一年使用:0次