Solve the following equation (0<= x <= 360)
a) 4cosx + 6sinx = 5
b) (2sin-1) / (1+4cosx) = 3/2
Trigonometry
2008-02-18 5:20 am
回答 (1)
2008-02-18 5:48 am
✔ 最佳答案
Solution:圖片參考：http://hk.geocities.com/stevieg_1023/ANCS1.gif
圖片參考：http://hk.geocities.com/stevieg_1023/ANCS2.gif
收錄日期: 2021-04-14 19:43:27
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080217000051KK04481