求三角函数最值是三角中的重要题型，在各级各类试卷中屡见不鲜，由于题目的灵活性致使不少同学对此类问题的求解不知从何下手．本文针对各类三角最值问题，进行分类例析，希望对大家的学习有所帮助．1线性型对于y＝asinx＋bcosx或变化后化归为此形式的，我们称其为线性型．线 Finding the trigonometric function is the most important question in the triangle. It is not uncommon in various types of papers at various levels. Due to the flexibility of the subject, many students have no idea where to start solving such problems. This paper analyzes the classification of all kinds of triangles, and hopes to help everyone’s learning. 1 linear type For y=asinx+bcosx or after changing to this form, we call it linear. line