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Razones Trigonométricas
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Es un breve resumen de una clase de de trigonometría de segundo año de secundaria. Se explican las bases de las razones trigonométricas.
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TrigonometríaRazones trigonométricas de un triángulo rectángulo
En un triángulo rectángulo se cumple:
●Que los ángulos agudos son complementarios.
●El Teorema de Pitágoras.
Razones Trigonométricas
Las razones trigonométricas son aquellas que relacionan las
longitudes de los lados de un triángulo rectángulo con los ángulos
agudos del mismo.
Para cada uno de los ángulos agudos de un triángulo rectángulo,
uno de los catetos es el adyacente y el otro opuesto.
Las razones trigonométricas se definen de la siguiente manera:
●Seno de un ángulo.
Es la razón entre el cateto opuesto y la hipotenusa.
Cateto opuesto
Seno x= ▬▬▬▬▬▬▬
Hipotenusa
●Coseno de un ángulo.
Es la razón entre el cateto adyacente y la hipotenusa.
Cateto adyacente
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