i need help

GaboE Precalculus/AP Precalculus Unit 2 Georgia's K-12 Mathernatics Standards Name: Date: 1,2,3,4, Trig Circles Open the GeoGebra Trig Circle and answer the questions below. 1) Using a radius of one, fill in the coordinate pairs. 2) Using a radius of two, fill in the coordinate pairs. 3) Using a radius of three, fill in the coordinate pairs. 4) Using a radius of four, fill in the coordinate pairs. 5) Explain what makes the unit circle special. Explain how to obtain the cosine and sine ratios on a circle where r # 1. How does this relate to the fact that x = rcos(0_and y = rsin(@)