Write the Expression in the Standard Form a + Bi $\left[ 2 \left( \cos 15 ^ { \circ } + i \sin 15 ^ { \circ } \right) \right] ^ { 3 }$

question 190

Multiple Choice

Write the expression in the standard form a + bi.
- $\left[ 2 \left( \cos 15 ^ { \circ } + i \sin 15 ^ { \circ } \right) \right] ^ { 3 }$

• A) \(3 + 3 \mathrm { i }\)
• B) \(4 \sqrt { 2 } + 4 \sqrt { 2 } \mathrm { i }\)
• C) \(3 \sqrt { 2 } + 3 \sqrt { 2 } \mathrm { i }\)
• D) \(4 + 4 \mathrm { i }\)

---

Definitions:

Margaret and Harry Harlow

Psychologists known for their research on maternal separation, dependency needs, and social isolation experiments on rhesus monkeys, which played a significant role in understanding the importance of caregiving and companionship in social and cognitive development.

Prenatal Stage

The stage of human development that occurs from conception until birth, encompassing the growth and development of the fetus in the womb.

Fertilized Egg

A zygote formed when a sperm cell successfully merges with an ovum (egg cell), marking the beginning of pregnancy.

Zygote

The initial cell formed when a sperm cell fertilizes an egg cell, representing the earliest stage of embryonic development.