Question
118. Se \( \cos x=\frac{3}{5} \), calcule \( \operatorname{sen}\left(x+\frac{\pi}{2}\right) \)
Ask by Gough Frank. in Brazil
Feb 21,2025
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Answer
\( \sin\left(x + \frac{\pi}{2}\right) = \frac{3}{5} \)
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Sabemos que \( \operatorname{sen}\left(x+\frac{\pi}{2}\right) = \cos x \). Dado que \( \cos x = \frac{3}{5} \), podemos concluir que: \[ \operatorname{sen}\left(x+\frac{\pi}{2}\right) = \frac{3}{5} \] Así que: \[ \operatorname{sen}\left(x+\frac{\pi}{2}\right) = \frac{3}{5} \] ¡Y eso es!