Question

represente, na forma trigonometrica o número complexo z= -5-5i

Answer 1

|z|= √[(-5)^2+(-5)^2] =>
|z|= √50 => 5√2
CosΦ= -5/ 5√2
SenΦ= -5/ 5√2
=> -5•√2 / 5•√2•√2
=> -5√2 / 20

Z= √50• -5√2 / 20