9000032106
Parte:
A
\(\cos \left (0\right ) = ?\)
\(1\)
\(\frac{\sqrt{3}}
{3} \)
\(\sqrt{3}\)
\(- 1\)
\(-\frac{\sqrt{3}}
{3} \)
\(0\)
A
9000032004
Parte:
A
\(\mathop{\mathrm{tg}}\nolimits \left (-\frac{3\pi }
{2}\right ) = ?\)
no definido
\(0\)
\(1\)
\(-\frac{\sqrt{3}}
{3} \)
\(- 1\)
\(\frac{\sqrt{3}}
{3} \)
9000032107
Parte:
A
\(\cos \left (\pi \right ) = ?\)
\(- 1\)
\(\sqrt{3}\)
\(\frac{\sqrt{3}}
{3} \)
\(-\sqrt{3}\)
\(-\frac{\sqrt{3}}
{3} \)
\(0\)
9000032005
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left ( \frac{\pi }{2}\right ) = ?\)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(\sqrt{3}\)
\(\frac{\sqrt{2}}
{2} \)
\(1\)
9000032108
Parte:
A
\(\cos \left (\frac{-3\pi }
{2} \right) = ?\)
\(0\)
\(-\frac{\sqrt{2}}
{2} \)
\(- 1\)
\(1\)
\(-\frac{\sqrt{3}}
{3} \)
\(\sqrt{3}\)
9000032006
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left (0\right ) = ?\)
no definido
\(-\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(\frac{\sqrt{3}}
{3} \)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{2}}
{2} \)
9000032109
Parte:
A
\(\sin \left ( \frac{\pi }{4}\right) = ?\)
\(\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{2}}
{2} \)
\(0\)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{3}}
{3} \)
\(1\)
9000032007
Parte:
A
\(\mathop{\mathrm{cotg}}\nolimits \left (\frac{5\pi }
{2}\right) = ?\)
\(0\)
\(\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(-\frac{\sqrt{3}}
{3} \)
\(\frac{\sqrt{3}}
{3} \)
no definido
9000032110
Parte:
A
\(\cos \left ( \frac{\pi }{4}\right ) = ?\)
\(\frac{\sqrt{2}}
{2} \)
\(0\)
\(-\sqrt{3}\)
\(-\frac{\sqrt{2}}
{2} \)
\(- 1\)
\(\sqrt{3}\)
9000031201
Parte:
A
Dados los números complejos \(z_{1} = 1 - 2\mathrm{i}\)
y \(z_{2} = 3 + 5\mathrm{i}\),
calcula \(z_{1}z_{2}\).
\(13 -\mathrm{i}\)
\(13 + \mathrm{i}\)
\(- 7 -\mathrm{i}\)
\(13 + 11\mathrm{i}\)