Answers

2015-12-30T13:00:07+05:30
A waveform that represents periodic oscillations in which the amplitude of displacement at each point is proportional to the sine of the phase angle of the displacement and that is visualized as a sine curve . 
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2015-12-30T14:05:47+05:30
a curve representing periodic oscillations of constant amplitude as given by a sine function.

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