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正弦定理、余弦定理是高中数学一个重要的内容,是高考中必考知识点之一。正、弦定理常与三角函数联系在一起,以正、弦定理为工具,通过三角恒等变换求解三角形的边角以及三角形面积。本文就今年各省高考试题中出现的题型做进行详细的解析。
The sine theorem and cosine theorem are an important content of high school mathematics and one of the necessary knowledge points in the college entrance examination. The positive and theorem theorem are often associated with the trigonometric function. Using the positive and theorem theorem as tools, the trigonometric identity transformation is used to solve the triangle’s corner and triangle area. In this paper, detailed analysis will be made on the types of questions that appear in the high examination questions of each province this year.