10 Secret Trig Functions Your Math Teachers Never Taught You...(because they are from a pre-calculator world) A diagram with a unit circle and more trig functions than you can shake a stick at. (It's well known that you can shake a stick at a maximum of 8 trig functions.) The familiar sine, cosine, and tangent are in blue, red, and, well, tan, respectively. The versine is in green, and the exsecant is in pink. Excosecant and coversine are also in the image.
Unit Circle Hand Trick - Amazing trick for evaluating trig functions without a calculator. It helps students memorize the unit circle quickly. Great technique for your high school math analysis or trig class. Check it out today!
Unit Circle & Graphs of Six Trigonometric Functions-A Student Investigation from jamesrahn on TeachersNotebook.com - (5 pages) - This graphing calculator activity engages the students in building a unit circle and then connecting the points around the unit circle with the graphs of the six trigonometric functions. Students first trace around the graph to record the x-coordinate an