 
             
            Signals and Systems - Engineering
| Q1: If f(t) = - f(- t) satisfies Drichlet conditions, then f(t) can be expanded in Fourier series containingA 
only sine terms
  B 
only cosine terms
  C 
cosine terms and constant
  D 
sine terms and constant
  ANS:A - only sine terms Since f( - t) = - f(t) only sine terms will be present because sin (- x) = - sin x. | 
 
             
                            
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