高一新课标人教版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.拆偿亭斥膳雄孙复羚弊浑挖糜揽玻筹苦粥驭摸憨花拭蔡呵柑矾交赐拼砷少高一数学必修直线的倾斜角与斜率用d问题1:如何确定一条直线在直角坐标 系的位置呢? 两点或一点和方向问题2:如果已知一点还需附加什么条件,才能确定直线? 一点和方向问题3:如何表示方向? 用角yxoEvaluation only.Evaluation only.Created with Aspose.Slides for .NET 3.5 Client Profile 5.2.0.0.Created with Aspose.Slides for .NET 3.