Math Help - algebra/trig problem, unit circle

1. algebra/trig problem, unit circle

On the unit circle, what are the coordinates f 00, 900, 1800, and 2700? Thanks, everyone!

2. Re: algebra/trig problem, unit circle

Originally Posted by dzomberg
On the unit circle, what are the coordinates f 00, 900, 1800, and 2700? Thanks, everyone!
Look at this.