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Which of the following functions of time represent (a) simple harmonic, (b) periodic but not simple harmonic (c) 3 cos (π/4 - 2 ω t)

Q. 14.4 (c) Which of the following functions of time represent (a) simple harmonic, (b) periodic but not simple harmonic, and (c) non-periodic motion? Give period for each case of periodic motion (\omega is any positive constant):

(c) 3\; cos(\pi /4-2\omega t)

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S Sayak

The function represents SHM with a period of  \frac{\pi }{\omega } 

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