Foldables are great study aids, even for high school. This foldable covers degrees and radians on the unit circle, conversions, reference angles and the 6 trig functions of the 3 common angles. It was designed to be printed front and back then combined to make a bound book (instructions included). Students will fill in the additional information as the teacher goes over it. Print front and back, making sure copies are facing the same direction. Students can cut and assemble them or the teacher can make them for the students. I made 60 of them in about an hour, using an X-Acto knife for making the inner cuts.