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## What is the amplitude of a sinusoidal function?

The amplitude of the sine and cosine functions is the vertical distance between the sinusoidal axis and the maximum or minimum value of the function. In relation to sound waves, amplitude is a measure of how loud something is.

### What is the amplitude of a function?

The amplitude of a function is the amount by which the graph of the function travels above and below its midline. When graphing a sine function, the value of the amplitude is equivalent to the value of the coefficient of the sine.

What are the 3 main features of sinusoidal functions?

Sal introduces the main features of sinusoidal functions: midline, amplitude, & period. He shows how these can be found from a sinusoidal function’s graph.

How do you find amplitude of a function?

The amplitude of a trigonometric function is half the distance from the highest point of the curve to the bottom point of the curve: (Amplitude) = (Maximum) – (minimum) 2 .

## Is amplitude always positive?

No, the amplitudes of waves are always positive. The amplitude or the peak amplitude of a given wave or vibration offers a way to measure the deviation from its central value.

### How do you find the amplitude and period of a function?

Finding the amplitude, period, and phase shift of a function of the form A × sin(Bx – C) + D or A × cos(Bx – C) + D goes as follows: The amplitude is equal to A ; The period is equal to 2π / B ; and. The phase shift is equal to C / B .

Which functions are sinusoidal functions?

Trig functions like sine and cosine have periodic graphs which we called Sinusoidal Graph , or Sine wave .

What is the amplitude of zero?

The correct option would be D, none of these. we are provided with a complex number 0 and asked to find the amplitude of this number that is zero. or, it is not defined has the given expression does not have a correct and reliable answer .

## Can the amplitude of a sinusoidal function be negative?

1 Answer. An amplitude cannot be negative since it is defined as a half the distance, which cannot be negative, between the maximum value and the minimum value.

### Is the amplitude always positive?

What is a simple definition of amplitude?

Definition of amplitude 1 : the extent or range of a quality, property, process, or phenomenon: such as. a : the extent of a vibratory movement (as of a pendulum) measured from the mean position to an extreme. b : the maximum departure of the value of an alternating current or wave from the average value.

Are amplitudes always positive?

## What is the symbol of amplitude?

For one dimensional motion, the maximum displacement of an oscillatory system from its equilibrium position is called its amplitude. The symbol for amplitude is A (italic capital a). The SI unit of amplitude is the meter [m], but other length units may be used.