|Achieve mastery in Angles 2, Distance formula, Pythagorean theorem|
|Energy point(s) awarded||100|
Apprentice Trigonometrician was a Moon badge. To earn it, the user had to achieve mastery in several certain exercises:
- Angles 2
- Distance formula
- Pythagorean theorem
This badge motivated users to become proficient by practicing more exercises, especially Trigonometry ones.