Level:
Project ID:
9000035605
Source Problem:
Accepted:
1
Clonable:
0
Easy:
0
The number \(\cos \frac{7}
{6}\pi + \mathrm{i}\sin \frac{7}
{6}\pi \)
is a solution of a quadratic equation with real valued coefficients. Find the second
solution.
\(\cos \frac{5}
{6}\pi + \mathrm{i}\sin \frac{5}
{6}\pi \)
\(\cos \frac{1}
{6}\pi + \mathrm{i}\sin \frac{1}
{6}\pi \)
\(\cos \frac{7}
{6}\pi + \mathrm{i}\sin \frac{7}
{6}\pi \)
\(\cos \frac{11}
{6} \pi + \mathrm{i}\sin \frac{11}
{6} \pi \)