论文部分内容阅读
三角函数的题目中,公式的正确运用与灵活变化会使解题变得轻松.尤其是运用到辅助角公式时,把公式灵活变形,会得到很好的效果.
In the topic of trigonometric functions, the correct application and flexible change of the formula will make the problem easier. Especially when applying the auxiliary angle formula, the formula will be flexibly deformed and will get good results.