Friday, May 20, 2011

Cosine Function

A cosine function generally can be written as f(x) = a cos ( bx + c ) + d. The cycle repeated after every units. The amplitude of the curve is a units.

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Slide the values of a, b, c and d to observe the changes of graph f(x) = a cos ( bx + c ) + d. What can you say about the effects of these values towards the function cos (x)?

Betty, Created with GeoGebra

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