第三章 直线与方程3.1 直线的倾斜角与斜率3.1.1 倾斜角与斜率Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.
1.理解直线的倾斜角和斜率的概念.2.已知直线的倾斜角(斜率)会求直线的斜率(倾斜角).3.经历几何问题代数化的过程,了解解析法的基本步骤,会求过已知两点的直线的斜率.Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.
1.直线的倾斜角定义当直线l与x轴相交时,我们取x轴作为基准,x轴_____与直线l_____方向之间所成角α叫做直线l的倾斜角图示正向向上Evaluationonly.CreatedwithAspose.Slidesfor.NET3.5ClientProfile5.2.0.0.Copyright2004-2011AsposePtyLtd.
范围0°≤α