Networks Analysis and Synthesis - Engineering

Q1:

If f(t) = - f(- t) and f(t) satisfies Dirichlet conditions, then f(t) can be expanded in Fourier series having

A sine terms only

B cosine terms only

C cosine and constant terms

D sine and constant term

ANS:A - sine terms only

Since f(-t) = -f(t) only sine terms exist.