*f(x) = a*sin (

*bx + c*) +

*d*. Try to move point A in the graph below, point B appears after one cycle. The period of the cycle is units and the amplitude is

*a*units.

Slide the values of

*a, b, c*and

*d*to observe the changes of graph

*f(x) = a*sin (

*bx + c*) +

*d*. What can you say about the effects of these values towards the function sin (

*x*)?

Betty, Created with GeoGebra

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