有關1tan30的精選大全

計算:()﹣1+tan30°•sin60°=(  )A.﹣                    B.2   ...
問題詳情:計算:()﹣1+tan30°•sin60°=()A.﹣                    B.2                          C.                        D.【回答】C【分析】按順序...
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