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The equation of simple harmonic motion may not be expressed as (each term has its usual meaning)
  • A$x=A \sin (\omega t+\phi)$
  • B$x=A \cos (\omega t-\phi)$
  • C$x=a \sin \omega t+b \cos \omega t$
  • D$x=A \sin (\omega t+\phi)+B \sin (2 \omega t+\phi)$
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