This poster is 5 pages long. It can be added to a password-protected website or printed and hung up in a classroom. After printing the file the pieces can be arranged to match each quadrant. 
 
Page 1 - Title Page
Page 2 - Unit Circle with degrees, radians, cosine, and sine shown
Page 3 - Tricks to memorize the angles in Quadrants 1 and 2 and the corresponding parts of ASTC.
Page 4 - Tricks to memorize the angles in Quadrants 3 and 4 and the corresponding parts of ASTC.
Page 5 - The formulas to find the reference angles in each quadrant.