Unit circle manipulative - trigonometry
Demonstrate the relationship between degrees and radians with this hands on unit circle manipulative. All sets will come with 3 special triangles (45-45-90, 60-60-60, 30-60-90) that can be rotated within the circle to demonstrate trignometric functions.
This one measures 5" for ease of use, i can make it a 2" circle as well to truly make it a unit circle.
Made of aspen and alder.