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三角函数是高中阶段重要的基本初等函数之一,它与代数、几何有着密切的联系,是研究其他内容的重要基础和工具,在解决实际生活问题中也有着极其广泛的应用.因此三角函数是高考对基础知识、基本技能和数学思想方法考查的重要内容之一,是每年的必考内容,题量为2道选、填题或1道选、填题和1道解答题,约占全卷总分的7%-12%,多为中低档题.分析近年高考试题可知,考查本章的主要内容如表1所示:
Trigonometric function is one of the most important basic elementary functions in high school and has close relationship with algebra and geometry. It is an important foundation and tool for studying other contents. It also has a very wide range of applications in solving practical life problems. Therefore, trigonometric functions are College entrance examination of basic knowledge, basic skills and mathematical thinking method of examining one of the important content is the annual compulsory content, questions for the 2 election, fill in or 1 election, fill in and answer a question, accounting for about Volume of the total score of 7% -12%, mostly low and middle questions. Analysis of college entrance examination test shows that in recent years, examining the main contents of this chapter are shown in Table 1: