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Gmdss_e3 : Element 3 - 42/605
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What is a sine wave?
A) A constant-voltage, varying-current wave.
B) A wave whose amplitude at any given instant can be represented by the projection of a point on a wheel rotating at a uniform speed.
C) A wave following the laws of the trigonometric tangent function.
D) A wave whose polarity changes in a random manner.
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