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The function ${\sin ^2}(\omega t)$ represents
  • AA simple harmonic motion with a period $2\pi /\omega $
  • BA simple harmonic motion with a period $\pi /\omega $
  • CA periodic but not simple harmonic motion with a period $2\pi /\omega $
  • DA periodic but not simple harmonic, motion with a period $\pi /\omega $
AIEEE 2005, Medium
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