Trigonometry teachers - this is a very useful tool for my students, even in this day and age of handheld calculators! This chart has the sine, cosine, and tangent of every whole-numbered angle from 0 to 90 degrees.
I find it invaluable for my students to use this chart at first, and then they realize that the buttons on their calculator really help save time. Furthermore, when I introduce the inverse trigonometric functions, I use this chart before teaching how the inverse sine, cosine, and t