1tan30的知识精选

计算:()﹣1+tan30°•sin60°=(  )A.﹣                    B.2   ...
问题详情:计算:()﹣1+tan30°•sin60°=()A.﹣                    B.2                          C.                        D.【回答】C【分析】按顺序...
热门标签