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三角方程的解集,常因解法不同而有不同形式,这种现象往往引起学生困惑,也给教师带来麻烦.本文就简单三角方程等价解的概念、存在性、确定性以及有关判定、解的等价变形等问题作了探讨.
The solution set of triangular equations often has different forms due to different solutions. This phenomenon often causes students to be confused and also brings troubles to teachers. This article is about the concept, existence, certainty and related judgments of the equivalent solutions of simple trigonometric equations. The equivalent deformation of the solution was discussed.