Answer / mohammed kamil

We can say that a sinusoidal waveform is rather analog
(continuous) and not discrete (in steps)

Answer / ashish

SINE WAVE HAS LESS HARMONICS AS COMPARED TO OTHER AC WAVES

Answer / snigda

It has special properties, one of which is the following. No
other periodic wave will pass through a linear network
containing energy storage elements, (capacitors and inductors)
and leave with the same frequency and shape except for phase
and amplitude changes. All those other waves you mentioned
will not have the same output shape as the input shape. That
is because the derivative and integral of a sinusoidal wave
are the same except for phase differences.

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