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已知A为锐角,且cosA≤,那么A.0°≤A≤60°B.60°≤A<90°C.0°<A≤3...
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已知A为锐角,且cosA≤
![](data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAgAAAAjCAYAAACpZEt+AAAAAXNSR0IArs4c6QAAAARnQU1BAACx
jwv8YQUAAAAJcEhZcwAADsMAAA7DAcdvqGQAAACeSURBVDhP3ZLREQMhCESpjJ5oh2YohVIIoGcg
Xi4/l3xkZ/BG54l7q2AfdCegbAhorHM+NQAhAwCvd0BKjP4cyJAih1EkuZoqHc71C+AwdlYJ5Hih
u4D1YLyQrYYJmeKKLuJ2qEQJKtJ2KGPrsnuI42qH+V0Surqs5meoAGqM5Da7FiC0P5ZQAuG8dXaj
xxzCVL2gUc+jtr941dcBswdgFekEiSLONQAAAABJRU5ErkJggg==
)
,那么( )
A.0°≤A≤60°
B.60°≤A<90°
C.0°<A≤30°
D.30°≤A<90°
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)
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已知A为锐角,且cosA≤
,那么( )
A.0°≤A≤60°
B.60°≤A<90°
C.0°<A≤30°
D.30°≤A<90°