Let $z _ { 1 } = 4 \left( \cos \frac { \pi } { 6 } + i \sin \frac { \pi } { 6 } \right)$

question 48

Multiple Choice

Let $z _ { 1 } = 4 \left( \cos \frac { \pi } { 6 } + i \sin \frac { \pi } { 6 } \right)$ and $z _ { 2 } = 5 \left( \cos \frac { \pi } { 3 } + i \sin \frac { \pi } { 3 } \right)$
) Find $Z _ { 1 } Z _ { 2 }$

• A) \(20 + i\)
• B) \(20 - 20 i\)
• C) \(20\)
• D) \(0 - 20 i\)
• E)none

Preparation and understanding of simple income statements and the calculation of net income.

Learn the distinctions between operating and other revenues/expenses, and their impact on net income.

Grasp the procedures for correcting errors in previously issued financial statements.

Understand the fundamentals of earnings per share (EPS) calculation and its implications for financial analysis.

---

Definitions:

Fracture

A break in a bone or a hard substance.

Abbreviation

The process or result of shortening a word or phrase by omitting letters, often used to save space or for convenience.

Long Leg Cast

A cast that extends from the upper thigh down to the foot, used to immobilize and support fractures or injuries of the lower limb.

Abbreviation

A truncated form of a word or phrase.