Posted by Tabby on Tuesday, January 11, 2011 at 5:51pm.
Take a look at this,and memorize it.
f(x)=Amplitude*sin(2PI*time/period-shiftToRight)+vertical shift
I am bothered by the use of x as a variable. Normally, we use t for time. If x here represents distance, then period has NO meaning. Period applies to time varying signals.
http://www.regentsprep.org/Regents/math/algtrig/ATT7/phaseshift.htm
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