三角比 | Trigonometric Ratio
LESSON 1
正弦/餘弦/正切 | Sine, Cosine and Tangent Ratios
LESSON 2
根據三角比畫三角形 | Construct Triangles based on Trigonometric Ratios
LESSON 3
特殊角的三角比 | Trigonometric Ratios of Special Angles
LESSON 4
三角恆等式 | Trigonometric Identity
LESSON 5
斜率 | Gradients
LESSON 6
仰角及俯角 | Angle of Elevation and Angle of Depression
LESSON 7
方位角 | Bearing
LESSON 8
平面圖形的三角比應用 | Application of Trigonometric Ratios in Plane Figures
ADD-ON
點解會叫 sin cos tan? | Some Background of Trigonometric Ratios
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特殊角的三角比 | Trigonometric Ratios of Special Angles
三角比 | Trigonometric Ratio
特殊角的三角比 | Trigonometric Ratios of Special Angles
影片內容:
00:27 – 45°
02:45 – 30° / 60°
07:16 – 例子 1 | example 1
08:18 – 例子 2 | example 2
09:43 – 例子 3 | example 3
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