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College+ · Advanced Topics

Fourier series

147 problems in this skill, each with a solver-verified answer key. Answers are checked the moment you submit — with a hint if you want one and a worked solution afterwards.

What the problems look like

A few statements from this skill. Answers, hints and worked solutions live in the practice session.

  1. Warm-up

    A periodic signal has fundamental period T=5T = 5 seconds. Find its fundamental angular frequency ω0=2π/T\omega_0 = 2\pi/T, in radians per second (leave your answer in terms of π\pi).

  2. Warm-up

    A periodic signal has fundamental period T=11T = 11 seconds. Find its fundamental angular frequency ω0=2π/T\omega_0 = 2\pi/T, in radians per second (leave your answer in terms of π\pi).

  3. Warm-up

    A periodic signal has fundamental period T=10T = 10 seconds. Find its fundamental angular frequency ω0=2π/T\omega_0 = 2\pi/T, in radians per second (leave your answer in terms of π\pi).

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