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解题方法是随着对知识的深入学习而发展起来的.为了能进一步学好数学知识,有必要掌握其特点尤其是解题方法.随着高考改革,圆锥曲线参数方程成为高考考查的热点,它既涉及几何知识,又涉及函数方程的有关知识,而圆锥曲线上的点的有些问题,用普通方程描述它们之间的关系比较困难,甚至不可能,列出的方程既复杂又不易理解,而巧妙运用参数方程来描述曲线上点的坐标来解决问题就比较方便.学习参数方程有助于进一步体会数学方法的灵活多变,有效提高对所学知识的应用意识和实践能力.
The problem-solving method is developed with the further study of knowledge.In order to further learn math knowledge, it is necessary to grasp its characteristics, especially the problem-solving method.With the college entrance examination reform, the conic parameter equation becomes the hot spot for college entrance examination examinations It is difficult or even impossible to describe the relationship between the two points on the conic with the knowledge of both the geometric knowledge and the functional equations. The listed equations are complicated and not easy to understand. It is more convenient to use the parametric equation to describe the coordinates of the point on the curve to solve the problem.Learning parametric equation can help to further understand the flexibility of mathematical methods and effectively improve the application awareness and practical ability of the knowledge learned.