Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle ... how the tangent to a parabola is obtained through successive secant lines.

11/7/2013] “It put me in mind of MIT’s cheer: ‘E to the U du dx, / E to the X dx. / Cosine, secant, tangent, sine, 3.14159. / Integral radical mu dv / Slipstick, sliderule, MIT.