已知sin(60°-α)=3/5(0

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已知sin(60°-α)=3/5(0已知sin(60°-α)=3/5(0已知sin(60°-α)=3/5(0sin37°=3/5,因为(0

已知sin(60°-α)=3/5(0
已知sin(60°-α)=3/5(0

已知sin(60°-α)=3/5(0
sin37°=3/5,因为(0