- #1

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## Homework Statement

Calculate the Discrete Fourier Transform (DFT) of a 1Hz cosine wave

sampled 4 times per second for 1 second.

## Homework Equations

[tex]

X(K) = \sum_{n=0}^{N-1} x(n)e^{-j*2*\pi*\frac{k*n}{n}}

[/tex]

## The Attempt at a Solution

Honestly, I'm stumped. I don't even know where to start. I'm not asking anyone to do the problem for me, but I'd be forever greatfull if someone could start me in the right direction.

Thanks,

Dan