随着现代教育技术的发展,很多教师都利用Office来制作课件和写论文.而余弦或正弦函数曲线是物理教师写论文和制作课件时,经常要绘制的图像.笔者发现很多教师在使用Word时,绘制正弦或余弦函数曲线通常都是单击绘图工具栏上的“自选图形”选择“线条”中的“曲线”,如图1所示,利 With the development of modern educational technology, many teachers use Office to make courseware and write essays, while the cosine or sine function curve is often the image to be drawn when physics teachers write essays and make courseware.I found many teachers use Word , Draw sine or cosine function curve is usually click on the drawing toolbar “AutoShape” select “lines” in the “curve”, as shown in Figure 1, Lee