Question

Express the given complex number in the form r(cos θ + i sin θ) = reiθ. 3 − i

Answer 1

Answer:

let z=3-i
|z|=square root 10 r=square root 10
Ø=-pi/6

z=sqr 10 × e^i×pi/6
z=sqr 10(cos(-pi/6) +isin(-pi/6))