9000032010
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{4}\right ) = ?\)
\(1\)
\(\frac{\sqrt{2}}
{2} \)
\(0\)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{3}}
{3} \)
no definido
A
9000032113
Parte:
A
\(\sin \left ( \frac{\pi }{6}\right ) = ?\)
\(\frac{1}
{2}\)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{1}
{2}\)
\(\frac{\sqrt{3}}
{2} \)
\(\sqrt{3}\)
\(0\)
9000032011
Parte:
A
\(\mathop{\mathrm{tg}}\nolimits \left ( \frac{\pi }{3}\right ) = ?\).
\(\sqrt{3}\)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(-\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{3}}
{3} \)
9000032114
Parte:
A
\(\cos \left ( \frac{\pi }{6}\right) = ?\)
\(\frac{\sqrt{3}}
{2} \)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{1}
{2}\)
\(-\frac{\sqrt{3}}
{2} \)
\(0\)
\(-\frac{\sqrt{2}}
{2} \)
9000032013
Parte:
A
\(\mathop{\mathrm{tg}}\nolimits \left ( \frac{\pi }{6}\right ) = ?\)
\(\frac{\sqrt{3}}
{3} \)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{2}}
{2} \)
9000033702
Parte:
A
Halla el dominio de la siguiente expresión.
\[
\sqrt{-x^{2 } + 7x - 12} -\frac{1}
{x}
\]
\([ 3;4] \)
\(\mathbb{R}\setminus \left \{0\right \}\)
\(\mathbb{R}\setminus \left \{0;3;4\right \}\)
\(\left (3;4\right )\)
\(\left (-\infty ;3\right )\cup \left (4;\infty \right )\)
\(\left (-\infty ;3] \cup [ 4;\infty \right )\)
9000032014
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{6}\right ) = ?\)
\(\sqrt{3}\)
\(-\frac{1}
{2}\)
\(-\frac{\sqrt{3}}
{2} \)
\(0\)
no definido
\(-\sqrt{3}\)
9000032012
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{3}\right ) = ?\)
\(\frac{\sqrt{3}}
{3} \)
\(-\frac{1}
{2}\)
\(\frac{\sqrt{2}}
{2} \)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(-\frac{\sqrt{2}}
{2} \)
9000032101
Parte:
A
\(\sin \left ( \frac{\pi }{2}\right ) = ?\)
\(1\)
\(-\frac{\sqrt{2}}
{2} \)
\(-\sqrt{3}\)
\(\sqrt{3}\)
\(\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{3}}
{3} \)
9000033303
Parte:
A
Halla el conjunto de soluciones de la siguiente ecuación.
\[
\frac{4x + 8}
{x + 2} = 0
\]
\(\emptyset \)
\(\{- 2\}\)
\(\{2\}\)
\(\left \{-\frac{3}
{4}\right \}\)