Question

HELP MATH: https://snipboard.io/0UToAg.jpg

Answer 1

@surjithayer

Answer 2

@narad

Answer 3

\[z=6(\cos \frac{ 11\pi }{ 6 }+isin \frac{ 11\pi }{ 6 })\]
\[=6(\cos \frac{ \pi }{ 6 }-isin \frac{ \pi }{ 6 })\]
\[=6(\frac{ \sqrt3 }{ 2 }-\frac{ i }{ 2 })\]
\[=3\sqrt3-3i\]
You can easily get the coordinates of the point