B. sin (2π)/3
C. sin (8π)/3
D. sin π/3
更新1:
PLEASE HELP
更新2:
Anyone? Please help I don't understand this question...
PLEASE HELP
Anyone? Please help I don't understand this question...
收錄日期: 2021-04-25 17:12:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160420082346AAdDLrB