Coincidence sinus

The red curve of the following figure is the graph of a function

f(x) = A sin(x + B) .

Your aim is to find the values of the parameters A,B in this function, as close as possible.

your try number 1 (over 6):

A =     B =    

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Description: find a sinusoidal function according to its graph. This is the main site of WIMS (WWW Interactive Multipurpose Server): interactive exercises, online calculators and plotters, mathematical recreation and games

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