Please Help Me With #1 And #3! This Is Math 1060 Trigonometry

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8.5 Exercises
In Exercises 1 – 12, use z = –
313 4 3 ; and w= 342 -3iv/2 to compute the quantity. Express your
2 2
answers in polar form using the principal argument. These exercises should be worked without the aid of
a calculator.
1. ZW
2. 2
3. –
4. z4
W
Z
72
5. ws
6. z’w2
7. z’w2
8. 2
W
W
12.
9. -2
10.
11.
w
z3
z
In Exercises 13 – 24, use DeMoivre’s Theorem to find the indicated power of the given complex number.
ithout the aid of aTrigonometry