價格：免費
更新日期：2015-04-21
檔案大小：1.3 MB
目前版本：1.2.1
版本需求：需要 iOS 7.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Mrs. Tywania Griffin is a high school math teacher, at Millennium High School in Tracy, California, and helped design this app to make it easier for her students to understand the concept of Coterminal angles, the six trigonometry functions, and negative angles.
Features:
* Interactively find coterminal angles on a unit circle
* Evaluates the six trigonometry functions
* Displays both negative and positive angles
支援平台：iPhone