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              三角函數中的做題技巧素質拓展

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              高揚涵 老師

              化繁為簡,用生動的語言詮釋數學的奧秘,用嚴謹的步驟書寫數學的魅力。

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              高老師講解如何快速的判斷角屬于第幾象限,掌握以后可以在考試中節省時間且保障了正確率。比心~

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