A sine wave is a geometric waveform that oscillates periodically and is defined by the function y = sin x.

Graphs of Sine and Cosine 1.2 An applet illustrating how the graphs of sine and cosine are related to the unit circle. Transformations of Functions 1.3 An applet illustrating how transformations ...

National 5 Working with the graphs of trigonometric functions Phase angle Trigonometric graphs can be sketched when you know the amplitude, period, phase and maximum and minimum turning points.

National 5 Working with trigonometric relationships in degrees Trigonometric relationships Trigonometric functions can have several solutions. Sine, cosine and tangent all have different positive ...

Imgur Now, let's start linking this relationship between the functions and circles to triangles: Imgur The triangle relationship is crucial to the definition of the tangent () function.