Determine Frequency Modulation

New Numbers

Given are the graph of the sine function f(x)=sin(x){\color{orange}f(x)=\sin(x)} and the graph of the function g {\color{blue}g} with g(x)=Asin(bx) {\color{blue}g(x)= A\cdot\sin({\color{red}b}\cdot x)}.

Determine b{\color{red}b}.

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