MCQ
Which of the following expressions represent simple harmonic motion
  • A
    $x = A\sin (\omega \,t + \delta )$
  • B
    $x = B\cos (\omega \,t + \phi )$
  • C
    $x = A\sin \omega \,t\cos \omega \,t$
  • All of the above

Answer

Correct option: D.
All of the above
d
(d) $x = a\sin \omega \,t\cos \omega \,t = \frac{a}{2}\sin 2\omega \,t$

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