Fourier Transform, Fourier Series, Computer Science, Data Science.
The real part is predominantly positive, as it aligns with the sign of f(t). When f(t) is negative, the real part of Re(e^(-i2π(3t))) is also negative, and vice versa when f(t) is positive. Consequently, integrating the real part results in a relatively large value (in this case, 1/2) Original