Posted 2025-10-04Updated 2025-10-04MATH 102510 minutes read (About 1535 words)基礎——弧度量度、標準位置與單位圓No English translation yet. Showing the Traditional Chinese version for now.第一講深入解析如何以弧度衡量角度、在度與弧度間轉換、將角放在標準位置,並在(單位)圓上套用弧長與扇形面積公式,含範例、常見陷阱與練習。Read more