fourier series short intro

Proofs of some integral identities

• slide eupys
• outln
  • Intro 3
  • Coefficients 7
  • Related trigonometric identities 15
  • Integral of sine and cosine 19
  • Proofs a ≠ b 20
  • Proofs a = b 26
  • Integral identities 30
  • Interval changes 32
  • Other forms 38
  • Closing 42
• infos []