(a) suppose that sin(x+y)=kcos(x-y).show that tanx=(k-tan y)/(1-k tan y)
(b) when k=(2/3)(3)^(1/2) and y=(pi)/3, find the general solution of the resulting equation given in (a)
f.4 a.maths trigonetrics
2007-04-13 5:00 am
回答 (1)
2007-04-13 5:29 am
✔ 最佳答案
As follows:圖片參考：http://i117.photobucket.com/albums/o61/billy_hywung/April07/Crazytrigo35.jpg
參考: My Maths knowledge
收錄日期: 2021-04-13 13:25:35
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