Answer:
a. , b. , c. , d.
Step-by-step explanation:
All given complex numbers are in polar form, which are characterized by:
Where:
- Magnitude, dimensionless.
- Direction, measured in radians.
The rectangular form of complex numbers is represented by:
Now, each complex number is evaluated:
a.
and
b.
and
c.
By definition of complex number, , which means that . Hence:
d.
By definition of complex number, , which means that .
Hence: