This applet shows how the graphs of sin(θ) and cos(θ) follow directly from the definition of these functions. Move the slider to change the angle. Observe that after the point moves once around the ...

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of ... applet illustrating how the tangent to a parabola is obtained through successive secant lines. Functions with Corners 2.1 ...

In a function such as sine or cosine, we could also have a translation of the form: \(y = \sin (x - a)^\circ\) where \(a\) is called the phase angle. This is when the graph of the function has ...