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## Homework Statement

This is not a homework of any form, I am simply interested in proving a wave equation of the form f(x,t)=A•sin(k•x-ω•t) is a travelling wave, preferably an algebraic proof. Thanks heaps!

## Homework Equations

f(x,t)=A•sin(k•x-ω•t)

## The Attempt at a Solution

I was able to proof this by using graphs, but I need to know the algebra behind it.