Question

Please Help Me

Answer 1

\[Z _{1}*Z _{2}=4(\cos\frac{ \pi }{ 3 }+i \sin \frac{ \pi }{3 })*3(\cos\frac{2 \pi }{ 5 }+i \sin \frac{ 2\pi }{5 })\]

Answer 2

So it would be #1, right?

Answer 3

right :)

Answer 4

Ok thank you

Answer 5

np