Forgot password
 Register account
View 1953|Reply 2

[几何] 求三角形的面积最大值

[Copy link]

422

Threads

911

Posts

0

Reputation

Show all posts

lemondian posted 2018-11-8 10:37 |Read mode
Last edited by hbghlyj 2025-5-18 00:08在$\triangle ABC$中,$AC=3,\sin C=k\sin A(k\geqslant 2)$,求$\triangle ABC$的面积的最大值。

13

Threads

898

Posts

8

Reputation

Show all posts

色k posted 2018-11-8 11:28
Last edited by hbghlyj 2025-5-18 00:08阿氏圆

9

Threads

38

Posts

6

Reputation

Show all posts

player1703 posted 2018-11-9 02:03
而且阿氏圆不需要$k\geq 2$吧 $k \neq 1$ 应该就行了. $k=1$ 阿氏圆变直线最大面积无穷.

Quick Reply

Advanced Mode
B Color Image Link Quote Code Smilies
You have to log in before you can reply Login | Register account

$\LaTeX$ formula tutorial

Mobile version

2025-7-15 13:58 GMT+8

Powered by Discuz!

Processed in 0.012367 seconds, 24 queries