A função seno
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Revision as of 10:54, 9 November 2012 by Paula.oliveira (Talk | contribs)
Função seno
\item Zeros:
$\sen{x}=0 \Leftrightarrow x = k\pi, k \in \mathbb{Z}$ %$\cos{x}=0 \Longleftrightarrow x = k\pi+ \frac{\pi}{2}, k \in \mathbb{Z}$ \item Máximos e mínimos: a função tem máximo 1 e mínimo $-1$. $$\begin{array}{cc} \sen{x}=1 \Leftrightarrow x=\frac{\pi}{2}+2k\pi & \\ &\mbox{com } k \in \mathbb{Z} \\ \sen{x}=-1 \Leftrightarrow x=\frac{3\pi}{2}+2k\pi & \\ \end{array}$$ \end{itemize} \end{minipage}
