Lynch Lowe
04/20/2023 · Elementary School
Encuentre los valores de las funciones trigonométricas sin y tan de un ángulo \( \phi \) tal que \( \cos \phi=-\frac{5}{13} y \sin \phi \) a. \( \sin \phi=-\frac{5}{13}, \tan \phi=-\frac{12}{5} \) \( \sin \phi=-\frac{12}{13}, \tan \phi=-\frac{12}{5} \) b. \( \sin \phi=-\frac{12}{13}, \tan \phi=\frac{12}{5} \) \( \sin \phi=\frac{12}{13}, \tan \phi=-\frac{12}{5} \) Quitar mi elección
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Para \(\cos \phi = -\frac{5}{13}\), \(\sin \phi\) puede ser \(\frac{12}{13}\) o \(-\frac{12}{13}\). Si \(\sin \phi = \frac{12}{13}\), \(\tan \phi = -\frac{12}{5}\). Si \(\sin \phi = -\frac{12}{13}\), \(\tan \phi = \frac{12}{5}\). La opción correcta es b.
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