【考情分析】本节为高考的必考和重点考查内容,在选择题、填空题和解答题中都有出现,并越来越成为三角函数部分的核心考点.题型有:(1)解三角形出现边角互化,求角、求边;(2)三角形形状判定;(3)最值问题.题型和分值较稳定,且有逐渐上升趋势,属中等难度.【复习要点】掌握正弦定理、余弦定理,并能 [Test analysis] This section for the college entrance examination and key examination content, in the multiple-choice questions, fill in the blank questions and answer questions have appeared, and more and more become part of the trigonometric function of the core test sites. Questions are: (1) Solution (3) the most value problems. Questions and scores are more stable, and there is a gradual upward trend, which is moderate difficulty.】 【Points to master grasp Sine theorem, cosine theorem, and can