下面结论中,不正确的是[]A.sin48°37′<cos41°20′B.Rt△ABC中,∠C=90°,则sin2A+cos2A=1C.Rt△ABC中,∠C=90°,AC=6,则AB=D.cos60°-sin45°=×-×1=
下面结论中,不正确的是 |
[ ] |
A.sin48°37′<cos41°20′ |
D |
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