載入中... 相關課程 Back 8.利用三角函數圖形解方程式與不等式 登入觀看 ⇐ Use this menu to view and help create subtitles for this video in many different languages. You'll probably want to hide YouTube's captions if using these subtitles. 8.利用三角函數圖形解方程式與不等式 上傳學習單 下載學習單