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三角函数变换是高考考查重点内容之一,也是高考的热点。在近几年高考试题中,多次出现求三角函数有关性质的试题,如果我们在平时的教学中推导、总结出相关的公式,对学生能快速准确地解题大有好处。本文笔者结合例题进行说明,与读者交流。1注重双基教学.寻求通用的解题思路
The trigonometric function transformation is one of the key contents of the college entrance examination examination, and it is also a hot spot of the college entrance examination. In recent high-achieving exam questions, the questions that ask about the nature of trigonometric functions have appeared many times. If we deduce and summarize the relevant formulas in ordinary teaching, it will be beneficial to students to solve questions quickly and accurately. In this article, the author combines examples to illustrate and communicate with readers. 1 pay attention to double-basic teaching. Seeking common problem-solving ideas