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近几年的考试大纲对函数的性质做了如下要求:(1)理解函数的单调性、最大(小)值及其几何意义;了解函数奇偶性的含义.(2)会运用基本初等函数的图像分析函数的性质.而计算机辅助教学软件——几何画板是一个特别适合中学数学教师使用的工具软件.通过它,可以实现信息技术与数学新课程的深层次整合,可以帮助学生进行深入的研究性学习.为此,我以正弦函数y=sinx为例,通过几何画板说明奇函数的图像关于原点对称,同时
In recent years, the syllabus of the test made the following requirements on the nature of the function: (1) to understand the monotonicity, maximum (small) value and its geometric meanings; to understand the meaning of function parity. (2) To use basic elementary functions Image analysis function of the nature of the computer-aided teaching software - geometric drawing board is a particularly suitable for high school mathematics teachers to use the tool software through which you can achieve the new level of information technology and mathematical integration, can help students conduct in-depth study For this reason, I take the sine function y = sinx as an example, through the geometric drawing board to illustrate the odd function of the image symmetry about the origin, at the same time