纵观2004年高考全国卷和有关省市自主命题卷,关于三角函数的命题有如下几个显著特点: 高考题型:三角函数的试题一般是两小题一大题。在2004年全国的15套数学高考试卷中,仅上海卷没有三角函数的解答题,其它的至少有一道三角函数解答题,而且都是处在解答题第1题的位置(除 Looking at the 2004 national college entrance examination and the voluntary propositions of the relevant provinces and cities, the propositions on trigonometric functions have the following salient features: The college entrance examination question type: trigonometric questions are generally two small topics. In the 15 mathematics examination papers in 2004 in the country, only the Shanghai paper has no trigonometric function answer questions. The others have at least one trigonometric function answer question, and they are all in the position of the answer question question 1 (except