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Algebraic manipulation with functions

The movie illustrates a decomposition of functions.

A graph of function f(x) = g(x) ∙ sin x is given. Maximum of sin x is equal 1 and is reached at each xn=π/2+πn, so f(xn) = g(xn). Plot these points and draw a line through there.

The model is a movie. To navigate through the movie use Play, Pause, Stop, Previous step and Next step buttons.

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