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已知α为锐角,且cot(90°-α)=,则α的度数为A.30°B.60°C.45°D.75...
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已知α为锐角,且cot(90°-α)=
,则α的度数为( )
A.30°
B.60°
C.45°
D.75°
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已知α为锐角,且cot(90°-α)=,则α的度数为( )
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已知α为锐角,且cot(90°-α)=,则α的度数为( )
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B.60°
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