Find the general solution of the following equation.
sin 6xsin x = cos 3xcos4x
F.4 A.Maths
2008-02-11 3:28 am
回答 (1)
2008-02-11 3:55 am
✔ 最佳答案
As follows~~~圖片參考：http://i182.photobucket.com/albums/x4/A_Hepburn_1990/A_Hepburn02Feb101955.jpg?t=1202644543
參考: Myself~~~
收錄日期: 2021-04-13 18:44:24
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