🇮🇹Italian Source WordCode: IT

funzione trigonometrica

Pronunciation / Transliteration: funˈtsjoːne triɡonoˈmetrika

🇬🇧 Direct English Meaning:
Trigonometric function/ˌtrɪɡ.əˌnɒm.ɪ.trɪk ˈfʌŋk.ʃən/
nounCEFR C1 (Advanced)Top #14500 frequency
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🇮🇹 Example Sentence in Italian:

"Il coseno è una funzione trigonometrica essenziale in geometria."

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    Any of certain mathematical functions relating the angles of a triangle to the lengths of its sides, including sine, cosine, tangent, cosecant, secant, and cotangent.

    "The engineer used a trigonometric function to calculate the height of the bridge tower based on the angle of elevation."
  2. 2

    A real or complex function of an angle that is periodic and used extensively in the study of periodic phenomena such as sound and light waves.

    "Alternating current circuits are mathematically modeled using a sinusoidal trigonometric function."

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Linguistic Origin & Historical Etymology

Derived from Greek 'trigōnon' (triangle) plus 'metron' (measure), combined with the mathematical term 'function' originating from Latin 'functio' (performance, execution). The mathematical concept evolved significantly during the 17th and 18th centuries through the work of mathematicians like Leonhard Euler, who defined them analytically using infinite series and complex exponentials rather than strictly geometric ratios.

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