價格：免費
更新日期：2017-11-22
檔案大小：529k
目前版本：1.1
版本需求：Android 4.0 以上版本
官方網站：mailto:rifzee124@gmail.com
Learn basic trigonometry through 5 basic lessons:
• Similar Triangles
• Trigonometric Ratios
• Inverse Trigonometric Ratios
• Sine Law
• Cosine Law
Once you've mastered all 5 lessons, you can take an interactive quiz with random questions and see how much you've learned.