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1、第二 节同角 三角 函数 的基 本关 系与 诱导 公式高考成功方案第一步高考成功方案第二步高考成功方案第三步高考成功方案第四步第 三 章三 角 函 数 、 解 三 角 形Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011
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9、ose Pty Ltd.返回1同角三角函数的基本关系(1)平方关系： ；(2)商数关系：tan .sin2cos21Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.返回2诱导公式sinsi
10、nsinsincoscosEvaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.返回组组数一二三四五六余弦 正切口诀诀函数名不变变符号看象限函数名改变变符号看象限cos cos cos cos
11、sin sin tan tan tan tan Evaluation only.Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0. Copyright 2004-2011 Aspose Pty Ltd.Copyright 2004-2011 Aspose Pty Ltd.返回锐角 Evaluation only.Evaluation only. Created
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