Devon drove at the same speed for 4 hours. He drove a total of 120 miles,
2 answers:
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Answer:
The complex number has Cartesian form
.
Step-by-step explanation:
First, we need to recall the definition of when
is a complex number:
.
Then,
. (I)
Now, recall the definition of the complex exponential:
.
So,
(we use that
.
Thus,
Now we group conveniently in the above expression:
.
Now, substituting this equality in (I) we get
.
Thus,
.
