Norton Weber
12/14/2023 · Junior High School

2. En el plano cartesiano todos los puntos de la forma \( (\cos t, \operatorname{sen} t) \) están sobre una mism. A. recta B. elipse C. hipérbola D. circunferencia

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Los puntos de la forma \( (\cos t, \sin t) \) representan las coordenadas de un punto en el plano cartesiano que se obtiene al trazar un círculo unitario. Esto se debe a que para cualquier valor de \( t \), \( \cos^2 t + \sin^2 t = 1 \), que es la ecuación de una circunferencia de radio 1 centrada en el origen. Por lo tanto, la respuesta correcta es: D. circunferencia

Quick Answer

D. circunferencia
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