论文部分内容阅读
在知识的交汇处命题是高考命题的常见形式,通过知识点间的纵横关联,能有效地考查学生对所学知识的掌握程度及灵活应用能力。三角函数是高中数学的主要内容,以其为背景的最值问题在近几年高考命题中屡见不鲜。解答此类问题的关键是构造目标函数,利用函数最值问题的方法求解。下面,笔者举例说明其在实践中的应用,与同行切磋。
In the intersection of knowledge proposition is a common form of college entrance examination proposition, through the horizontal and vertical correlation between knowledge points, can effectively examine the students grasp of the knowledge and flexibility of application of the ability. Trigonometric function is the main content of high school mathematics, with its background as the most valuable problem in the college entrance examination in recent years, the proposition is not uncommon. The key to solving this kind of problem is to construct the objective function and solve it by using the most value function of the function. Below, I give an example to illustrate its application in practice, and peer review.