1.

What are the Fourier series coefficients for the signal x(n)=cos n/3?

A. c<sub>1</sub>=c<sub>2</sub>=c<sub>3</sub>=c<sub>4</sub>=0,c<sub>1</sub>=c<sub>5</sub>=1/2
B. c<sub>0</sub>=c<sub>1</sub>=c<sub>2</sub>=c<sub>3</sub>=c<sub>4</sub>=c<sub>5</sub>=0
C. c<sub>0</sub>=c<sub>1</sub>=c<sub>2</sub>=c<sub>3</sub>=c<sub>4</sub>=c<sub>5</sub>=1/2
D. none of the mentioned
Answer» B. c<sub>0</sub>=c<sub>1</sub>=c<sub>2</sub>=c<sub>3</sub>=c<sub>4</sub>=c<sub>5</sub>=0


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