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求初相是高中数学学习中的一个重要知识点,也是一个难点.本文结合具体例子谈谈怎样求初相角.一、用代入法例1(2003年全国高考题)函数y=
It is an important point in the study of high school mathematics, and it is also a difficult point. This article combines specific examples to talk about how to find the initial phase angle. First, use substitution law 1 (2003 national college entrance examination question) function y=