This activity challenges students to select the function, reference angle and side of a right triangle. The interactive will calculate and display the ratios. After exploring sine, cosine and tangent, the user can play a game of Trig Golf.
What do Euclid, 12-year-old Einstein, and American President James Garfield have in common? They all came up with proofs for the famous Pythagorean theorem, one of the most fundamental rules of geometry.
Explore the amplitude, period, and phase shift by examining the graphs of various trigonometric functions. Students can select values to use within the function to explore the resulting changes in the graph. [site]