- #1
theextractor
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Homework Statement
just trying to get the below equation in terms of step functions, just not sure how to get the cos(t) with the same shifted variable
f(t) = 0 for t<2 f(t)=cos(t) t>=2
The Attempt at a Solution
this is what i got
cos(t)u(t-2)
just having troubles working out the shift for it, had no problems doing this sort of question when it was a multiple of pi, but this has stumped me!
thanks in advance