Answer:
2.052 + 5.638i
Step-by-step explanation:
expressing [tex]z_{1}[/tex] in trigonometric form
[tex]z_{1}[/tex] = | [tex]z_{1}[/tex]|(cosΘ + isinΘ )
= 6(cos70° + isin70°)
= 2.052 + 5.638i
