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 ... 1 An applet illustrating how the tangent to a parabola is obtained through successive secant lines. Functions with ...
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