Identify the periodic functions and their time periods, if any from the following

sin 2 t

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sin 3 t

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sin t + cos t

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sin t + sin 3 t (v) e^{- t}

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Solution

The correct options are
A $sin 2 t$
B $sin 3 t$
C $sin t + cos t$

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Identify the periodic functions and their time periods, if any from the following

The correct options are A sin2t B sin3t C sint+cost

The correct options are
A $sin 2 t$
B $sin 3 t$
C $sin t + cos t$