【實用教育app】iUnit Circle|最夯免費app-綠色工廠好玩App

*** Interactive Unit Circle ***This is a must-have application for anyone taking Algebra, Trigonometry or Pre-Calculus.This app gives you a simple, interactive Unit Circle for easy reference. Just tap a line to see the angle in degrees and radians, six trigonometric function values, and the cartesian coordinates.To advance through the special value angles in sequence, tap the center of the circle.Choose between fractional and decimal values for radians and trigonometric functions.