Please do no.12 which shows on this webpage. Show steps
http://le9ncg.bay.livefilestore.com/y1pJKb5UZRHGktL80OoksnEbbfrL2lxK10xgEAX-83YY2K7d2LLe5mwUzdg0-DfWyLFC5x18dZApo5rVOTf1W5sbmBqoOee7IWV/%E6%8E%83%E6%8F%8F0007.jpg
F.3 Trigonometry
2009-05-20 9:14 pm
回答 (1)
2009-05-20 9:46 pm
✔ 最佳答案
(a)1/3(b)18.4度
2009-05-20 13:46:41 補充：
(a)The gradient of PQ=25m / 2.5x3000cm
=25m / 7500cm
=25m / 75m
=1/3
(b)Let the required angle be θ.
tanθ=1/3
θ=18.4o
收錄日期: 2021-04-23 20:40:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090520000051KK00586