sinθ=5/13=0.385
tanθ=5/12=0.417
(3位有效數字)
佢個答案岩唔岩,
我禁極計數機都計唔到= =
教埋我點禁計數機
thx^^
更新1:
快d答我la...急
快d答我la...急
收錄日期: 2021-04-23 20:41:37
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100531000051KK00906