Find the Trigonometric Form of - 21 - 21i $\frac { 21 } { 2 } \left( \cos \frac { 5 \pi } { 2 } + i \sin \frac { 5 \pi } { 2 } \right)$

question 153

Multiple Choice

Find the trigonometric form of - 21 - 21i.

• A) \(\frac { 21 } { 2 } \left( \cos \frac { 5 \pi } { 2 } + i \sin \frac { 5 \pi } { 2 } \right)\)
• B) \(21 \left( \cos \frac { 5 \pi } { 2 } + i \sin \frac { 5 \pi } { 2 } \right)\)
• C) \(21 \left( \cos \frac { 5 \pi } { 4 } + i \sin \frac { 5 \pi } { 4 } \right)\)
• D) \(21 \sqrt { 2 } \left( \cos \frac { 5 \pi } { 4 } + i \sin \frac { 5 \pi } { 4 } \right)\)
• E) \(\frac { 441 } { 4 } \left( \cos \frac { 5 \pi } { 8 } + i \sin \frac { 5 \pi } { 8 } \right)\)

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Definitions:

Falciform Ligament

Fold of peritoneum extending to the surface of the liver from the diaphragm and anterior abdominal wall.

Greater Omentum

A large apron-like fold of visceral peritoneum that hangs down from the stomach, playing important roles in immune responses and fat storage.

Lesser Omentum

Peritoneal fold passing from the liver to the lesser curvature of the stomach and to the upper border of the duodenum for a distance of approximately 2 cm beyond the pylorus.

Digestive Tract Wall

The layers of tissue that make up the structure of the gastrointestinal tract, facilitating the process of digestion.