三角函数不定积分的研究  

Study on the Indefinite Integral of Trigonometric Function

作　　者：田晓正[1] 陈科委[2] TIAN Xiao-zheng;CHEN Ke-wei(College of Science, Henan University of Technology, Zhengzhou 450001, China;College of Civil Engineering and Architecture, Henan University of Technology, Zhengzhou 450001, China)

机构地区：[1]河南工业大学理学院,河南郑州450001 [2]河南工业大学土木建筑学院,河南郑州450001

出　　处：《漯河职业技术学院学报》2018年第2期68-70,共3页Journal of Luohe Vocational Technical College

基　　金：河南工业大学高教项目(2016GJYJTJ14);河南工业大学高层次人才基金(2013BS026)

摘　　要：针对三角函数不定积分进行深入分析,给出灵活性较高的3种解题方法,最后列出一些不定积分的求解思路以及在积分中经常用到的三角恒等式,帮助读者把有关积分问题的分析水平提高到新的层次。Based on the thorough analysis of indefinite integral of trigonometric function, 3 methods of solving the problem with high flexibility are given. At last, some methods of solving the indefinite integral and the trigonometric identities often used in the integral are listed to help readers to raise the level of analysis on the problems of integration to a new stage.

关 键 词：三角函数 不定积分 求解思路 三角恒等式 

分 类 号：O172.2[理学—数学]