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1教材分析1.1教材的地位和作用《两个向量的内积》是教育部《中学数学实验教材》(北京师范大学出版社)高中教科书(试验本·必修)数学第二册(下)的第九章《立体几何》的第3.4节.本节教材首先引入空间向量内积的概念和计算方法,然后探索了向量内积的性质和运算律,并举例说明如何
1 Analysis of Teaching Materials 1.1 Status and Role of Textbooks “The Inner Product of Two Vectors” is the No. 2 (lower) of the mathematics textbook for senior high school textbooks (experimental and compulsory) of the Ministry of Education’s “Middle School Mathematics Experiment Teaching Material” (Beijing Normal University Press). Chapter 3.4 of Stereo Geometry in Chapter 9, This section of the textbook first introduces the concepts and calculations of the inner product of the space vector, then explores the nature of the vector inner product and the operation law, and gives an example of how