TriGoTan
Detailed App Info:
Application Description
Easily learn tangent and cotangent on the unit circle and look at their graphs on the Cartesian plane by changing the angle with one finger. Easily zoom the circle with two fingers.
Requirements
Your mobile device must have at least 14.2 MB of space to download and install TriGoTan app. TriGoTan is available on iTunes for $1.99
If you have any problems with installation or in-app purchase, found bugs, questions, comments about this application, you can visit the official website of Giovanni Bellu' at http://www.ap2000.it.
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