The trigonometric ratios sine, cosine and tangent are used to calculate angles and sides in right angled triangles. We are now going to extend trigonometry beyond right angled triangles and use it ...

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 ...

There is generally a random term ε ~ N(0, 0.1 2) added to the response. x 10, without the linear region. The cosine term is a sine term instead. Gramacy et al. (2004) include the linear term, but it ...