Explore the following unit circle;[br]1. [b]Drag[/b] the slicer to see the right triangle at any angles[br]2. Find the [b]reference/basic angl[/b]e for any angle in Quadrant II-IV[br]3. Use the reference angle to determine the [b]coordinates[/b] (x & y components) [br]4. Conclude the trigonometry value (positive & negative) for any angle in Quadrant I-IV