Exact Values around the Unit Circle: 30,60, 90 and 45,45, 90

This is an exploration of the exact values revolving around the unit circle.
Exact Values around the Unit Circle: 30,60, 90 and 45,45, 90
– David Sladkey

Information: Exact Values around the Unit Circle: 30,60, 90 and 45,45, 90