Answer:
( cos40° + isin40°)
Step-by-step explanation:
To divide

=
[ cos(x₁ - x₂) + isin(x₁ - x₂)
Given

=
( cos(90 - 50)° + isin(90 - 50)°
=
( cos40° + isin40° )
You could add the whole number parts first then add the fractions. Finally add the 2 results.
Answer:
y=2x-1
Step-by-step explanation:
up 2 right 1 for slope
y intercept is -1