Solution: One term of a Fourier series in cosine form is 10 cos 40πt. Write it in exponential form.

One term of a Fourier series in cosine form is 10 cos 40πt. Write it in exponential form. How to find the exponential form given consine form?

One term of a Fourier series in cosine form is 10 cos 40πt. Write it in exponential form.

Problem Statement: EE Board October 1997

One term of a Fourier series in cosine form is 10 cos 40πt. Write it in exponential form.

Problem Answer:

The equivalent exponential form of the given term of a Fourier series is 5 ej40πt + 5 e-j40πt.

Solution:

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