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中学极坐标这一章内容不多,但由于学生对极坐标的基本概念理解得不深不透,解题很容易出错。有针对性地剖析一些易错的题目对学生的学习可以起到举—反三,事半功倍的良好作用。
There is not much in the chapter on polar coordinates in middle schools, but because students do not understand the basic concepts of polar coordinates, the problem is easy to make mistakes. Targeted analysis of some of the error-prone topics can play a positive and negative role in student learning.