請大家幫吓我解答以下嘅問題, 唔該~~Thank you very much!
1. [sin(90°-Θ)sinΘ / sinΘ-1]+[cos(90°-Θ)cosΘ / sinΘ+1] ≡ [-2sinΘ / tan(90°-Θ)]
("/"是代表over)
2.[cosΘtanΘ + cos(90°-Θ)tan(90°-Θ)] ^2 - 2sinΘsin(90°-Θ) ≡ 1
唔明嘅話可以去以下網址:
(question 1)http://us.f6.yahoofs.com/hkblog/V3A7A7yGGBglkS_Wky_llrv4gxo_Tw--_2/blog/20100524095441255.jpg?ib_____Dejoa3c9K
(question 2)http://us.f6.yahoofs.com/hkblog/V3A7A7yGGBglkS_Wky_llrv4gxo_Tw--_2/blog/20100524095433204.jpg?TTASG_LBk1OmsU.3
唔該晒呀!!因為我6月9號要exam啦~~唔該吖~~^^
有關Form. 2"三角比的關係"嘅問題...
2010-05-25 5:57 am
回答 (1)
2010-05-25 7:07 am
✔ 最佳答案
圖片參考：http://i841.photobucket.com/albums/zz333/tammie_0666/2010-5-24-2.jpg?t=1274713547
http://i841.photobucket.com/albums/zz333/tammie_0666/2010-5-24-2.jpg?t=1274713547
參考: fooks
收錄日期: 2021-04-13 17:15:49
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100524000051KK01708