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Categories the following function of tim...

Categories the following function of time `3 sin ( 2 omegat - (pi)/( 4))` as
(a) SHM , (b) Periodic but not SHM. Also give the period.

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`3 sin( 2omegat- (pi)/(4)) ` represents S.H.M. with time period `(2pi)/( 2 omegat)` comparing it with `sin ((2pi)/( T) + phi)`
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