Maths problems!!!!!!!!!!!!!!!!

2009-06-14 8:37 pm
(1)If cos θ = 5/7, find the values of sinθ and tanθ by using Pythagoras theorem.
(2)How can I change √24 /7 to 2√6 /7?
(3)How can I change √24 /5 to 2√6 /5?
Please show the process.

回答 (1)

2009-06-14 8:52 pm
✔ 最佳答案
As follows:

圖片參考:http://f.imagehost.org/0202/ScreenHunter_02_Jun_14_12_58.gif


收錄日期: 2021-04-13 16:40:35
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090614000051KK00728

檢視 Wayback Machine 備份