更新1:
參數方程: x = 5sin(2π t) + 2t y = 5cos(2π t)
參數方程: x = 5sin(2π t) + 2t y = 5cos(2π t)
收錄日期: 2021-04-30 18:59:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20140820000016KK07097