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## Homework Statement

Given the following periodic signal:

What is the Fourier coefficient b

_{1}.

I'm not asking for help with the Fourier series. I feel my integration is solid.

What I need help with is creating the correct function!

## The Attempt at a Solution

I first declare t=5 as now to be t=0, and T=6 becomes t=2, etc. Am I allowed to do this? It also seems a bit iffy because the period starts at t=4...

f(t) =

1, 0<t<1

t, 1<t<2

This gives me, as far as I can tell, the correct values for 0<t<2, compared to the graph.

Unsure about the "t" function there...

I am doubting whether this is correct, me and a friend have done the series 4-5 times now using this function, and we get the wrong answer, so we think the function we wrote is wrong.

Can somebody help me make sense of this?