推理比率，並練習掌握它們！
你有沒有對 cos(60) 和 sin(30) 的區別感到困惑？還是棕褐色（90）和棕褐色（45）？
培養三角比背後的直覺並每天練習測驗（我們建議至少十個問題）！
關於Trigonometry Practice
最新版本6.0.1更新日誌
Last updated on 2022年07月30日
Many feature additions:
- Six ratios
- Four quadrants
- Customize what you want to be quizzed on
- Specify the number of questions per round
- Review the questions you got wrong
- Six ratios
- Four quadrants
- Customize what you want to be quizzed on
- Specify the number of questions per round
- Review the questions you got wrong
更多