Trig Functions, Angles, and Circles - 1
Check the box of the trig function (or functions) you'd like to view, then drag the blue point on the circle to change the angle, which will in turn change the value of each trig function. Check all of the boxes and hit Play for a beautiful picture :)
Where do Sine and Cosecant intersect? Where do Cosine and Secant intersect? Where do Tangent and Cotangent intersect?