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近几年来,使用了新版教科书,三角部分的公式与内容有较大删减,高考中的三角试题的难度也有所降低,都以低中档的难度出现.考查内容除了传统的基本问题以外,更注重与新增内容向量、导数的交汇,这应引起我们的重视.现将2005年高考各省市试题中的三角部分的题型归类,供复习参考.一、三角式的求值
In recent years, new textbooks have been used, the formulae and contents of the triangular part have been greatly reduced, the difficulty of the trigonometric papers in the college entrance examination has also been reduced, and the difficulty has appeared in the middle and low grades. Except for the traditional basic problems, the contents of the examination are more. Attention should be paid to the convergence of new content vectors and derivatives. This should arouse our attention. We now classify the questions in the triangles of 2005 exams for provinces and cities of the college entrance examination for review purposes. First, triangular evaluation