Trigonometry Pie Hack 1.1 + Redeem Codes

Learning trigonometry is as easy and engaging as eating a cake!
- Visually display values: angle, sin, cos
- Illustrating pairs of angles that are especially relevant: opposite, complementary, supplementary, more or less than Pi, Pi / 2, ...
- Switch back and forth between Degrees and Radians at any time without re-run
- Multiple options for displaying sample angles on the circle