Consider the $\backslash ($ f$($x$)=\backslash$cos $($B x$)\backslash )$ function shown in the figure in blue color. What is the value of parameter $\backslash ($ B $\backslash )$ for this function? This parameter is called angular frequency in physics and it is denoted by $\backslash (\backslash$omega $\backslash ).$

As a reference the $\backslash ($ g$($x$)=\backslash$cos $($x$)\backslash )$ function is shown in red color, and green tick marks are drawn at integer multiples of $\backslash (\backslash$pi $\backslash ).$

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NEW confused Matthew Dorado Farietta Reply $($Fri Nov $2903$:$42$:$16$ pm $2024($EST$))$

NEW Re: confused Tibor F Nagy. Reply $($Sat Nov $3009$:$24$:$57$ am $2024($EST$))$

The blue wave is the compressed version of the red wave. How many times does the blue function oscillate while the red function oscillates once?