Write the Complex Number in Rectangular Form $\left. \cos 20 ^ { \circ } + i \sin 20 ^ { \circ } \right)$

question 41

Multiple Choice

Write the complex number in rectangular form.
-5.62( $\left. \cos 20 ^ { \circ } + i \sin 20 ^ { \circ } \right)$

• A) \(- 2.2 - 0.8 \mathrm { i }\)
• B) \(5.3 + 1.9 \mathrm { i }\)
• C) \(1.9 + 5.3 \mathrm { i }\)
• D) \(2.2 + 0.8 \mathrm { i }\)

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Definitions:

Research Designs

Specific strategies or methodologies used by researchers to conduct experiments and observe outcomes in a systematic manner.

Negative Correlation

A connection between two variables where as one variable goes up, the other comes down.

Psychological Disorder

A mental or behavioral pattern that causes significant distress or impairment in personal functioning.

Correlation Coefficients

Statistical measures that describe the extent to which two variables change together, indicating the strength and direction of their relationship.