0 votes 0 votes The Fourier series expansion of $x^{3}$ in the interval $-1 \leq x < 1$ with periodic continuation has only sine terms only cosine terms both sine and cosine terms only sine terms and a non – zero constant Others gateme-2022-set1 + – Arjun asked Feb 15, 2022 • edited Feb 24, 2022 by soujanyareddy13 ♦Arjun 28.5k points answer See all 0 reply