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Sir how can we understand when to apply which wave equation like sine or cosine.................... ??????? I ve seen x = Asin(wt+kx) x = Asin(wt-kx) x = Acos(wt+kx) I am confused....... it would be gr8 if u could help me........ thanx!

Sir how can we understand when to apply which wave equation like sine or cosine.................... ??????? 
I ve seen x = Asin(wt+kx)
              x = Asin(wt-kx)
              x = Acos(wt+kx)
I am confused....... it would be gr8 if u could help me........ thanx!

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1 Answers

Shobhit Varshney IIT Roorkee
askIITians Faculty 33 Points
9 years ago
Dear student,

Both are the valid equations to represent waves, but the type of equation to be used for a specific problem depends on the initial phase difference..................................

Thanks...............................................................................

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