搜尋標籤: "cosine"

More about Trigonometry (English subtitles available)

1. Understand the functions of sine, cosine and tangent, and their graphs and properties, including maximum and minimum values and periodicity. 2. Understand trigonometric identities for angles…

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   ronson@hkecl.net 0 個讚 418 次播放

續三角

1. 理解正弦、餘弦和正切函數、其圖像及其性質,包括極大值、極小值和週期性。 2. 認識任意角的三角恆等式。

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   ronson@hkecl.net 0 個讚 689 次播放