Lead Lag

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Sine and cosine look similar, except they are out of phase. When we talk about sine and cosine as a function of time, the difference is called "lead" or "lag".
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Awesome explanation. Maths is not hard if you have a good teacher.

msudandevkota
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Would cos (theta -300) be LAGGING cos(theta) by 300 deg.?
Are there any conditions where LEADING COS can NOT be converted to LAGGING COS and vise-versa?
Thanks for the great video!!!

dalenassar
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but when we add the graph shifts to the left !!

serajsersawi
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That didn't sound like Sal but the chalks were familiar.

flaneurable
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What happens when you want to talk about LEAD and LAG greater than (or less than) 360 deg?

dalenassar
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Please ..make this videos with translation into Arabic

ahmedsaber