1. Math
  2. Advanced Math
  3. plz answer both questions thank you...

Question: plz answer both questions thank you...

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4. We have checked in class that {1, sin r, sin 2x, sin 3z,...) is an orthogonal set on π, π]. Find the orthogonal expansion of f(z) on [-π, π] using the set as a basis 5. Find the Fourier series of f(x) - 〈 cos x , 0 x 〈 π/2

PLZ answer both questions. Thank you.

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