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S3 Trigonometry
Angle of Elevation & Angle of Depression 仰角和俯角
Contour Lines 等高線
Bearings 方位
Bearings (Animated) 方位(動畫)
Combined Quiz on Bearings 方位：合併測驗
Quiz on Compass Bearings 羅盤方位角：測驗
Quiz on True Bearings 真方位角：測驗
S3 Trigonometry
Author:
tkyggb
S3 Trigonometry
Angle of Elevation & Angle of Depression 仰角和俯角
Contour Lines 等高線
Bearings 方位
Bearings (Animated) 方位(動畫)
Combined Quiz on Bearings 方位：合併測驗
Quiz on Compass Bearings 羅盤方位角：測驗
Quiz on True Bearings 真方位角：測驗
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Angle of Elevation & Angle of Depression 仰角和俯角
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