When determining the volume or pitch of a sound wave or musical note, trigonometry is applied. These notes have a hertz frequency. It shows sound waves in a visual manner.
What is Trigonometry?
The relationship between triangles' sides and angles is known as trigonometry. Sin, cos, tan, cot, sec, and csc are the six fundamental trigonometric ratios.
Consider the air pressure at a listener's position as a function of time described by a sine wave or sinusoid to conceptualize such cyclical behavior analytically.
The trigonometric cosine function can be used to define the precise functional form of a sinusoid, and we can write the most common sinusoid as the function: A sin (2π (ft+ϕ))
Trigonometry is therefore used to gauge the volume or pitch of a sound wave or musical note.
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