問題詳情
2..a = sin5° +cos5°，务=cos20-sin2°，c = sin46°，下列何者正確？
(A)fl＞l
(B)b＞l
(C)c＞l
(D)a＞b
(E)a＞c＞b 。
(A)fl＞l
(B)b＞l
(C)c＞l
(D)a＞b
(E)a＞c＞b 。
參考答案
無參考答案
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