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Trigonometria: Sinus, cosinus i tangent dels angles 30º, 45º i 60º

July 19, 2011, 7:22 pm
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\(
\begin{array}{ll}
\sin45º & =\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2} \\
\cos45º & =\frac{1}{\sqrt{2}}=\frac{\sqrt{2}}{2} \\
\tan45º & =1 \\
\end{array}\)
\(
\begin{array}{ll}
\sin30º & =\frac{1}{2} \\
\cos30º & =\frac{\sqrt{3}}{2} \\
\tan30º & =\frac{1}{\sqrt{3}} \\
\end{array}\)
\(
\begin{array}{ll}
\sin60º & =\frac{\sqrt{3}}{2} \\
\cos60º & =\frac{1}{2} \\
\tan60º & =\sqrt{3} \\
\end{array}\)
Taula resum
  30º 45º 60º
sin \(1/2\) \(\sqrt{2}/2\) \(\sqrt{3}/2\)
cos \(\sqrt{3}/2\) \(\sqrt{2}/2\) \(1/2\)
tg \(\sqrt{3}/3\) \(1\) \(\sqrt{3}\)

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© Siegfried-Angel Gevatter Pujals, 2011. | Permalink | License | Post tags:

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