搜尋標籤: "tangent"

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…

+8 更多
   ronson@hkecl.net 0 個讚 405 次播放

續立體圖形與三角

主持先介紹點、線和面之間的關係。之後討論線與線之間的距離和交角,線與面之間的距離和交角,以及面與面之間的距離和交角。

+21 更多
   ronson@hkecl.net 0 個讚 1,900 次播放

Basic properties of circles (1) (English subtitles available)

1. Understand the properties of chords and arcs of a circle. 2. Understand the angle properties of a circle.

+7 更多
   ronson@hkecl.net 0 個讚 526 次播放

More about 3-D figures and Trigonometry

The relationship among point, line and plane are first introduced. Distance and angle between (a) lines, (b) a line and a plane, and (c) planes are further discussed. Questions of the above learning…

+10 更多
   ronson@hkecl.net 0 個讚 827 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。

+19 更多
   ronson@hkecl.net 0 個讚 671 次播放