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1 高考命题特点及考试要求1 1 命题特点分析近五年的全国高考试题 ,有关三角函数的内容平均有 2 0多分 ,约占 15 % .每年分别有一道考查本单元基础的选择题 ,解答题多为三角化简和三角函数性质中的周期、最大值、最小值 ,如 2 0 0 4年 17题 .1.1.1 考查三角函数图像与性质的
1 characteristics of the college entrance examination proposition and examination requirements 1 1 proposition characteristics analysis of the national exam questions in the past five years, the content of the trigonometric function on average has more than 20 points, accounting for about 15%. Each year has a check of the basic multiple-choice questions, answer questions Mostly trigonometric Simplification and the periodicity, the maximum value, the minimum value in the nature of the trigonometric function, such as 17 questions in 2004.1.1.1 Examining the image and properties of trigonometric functions