Perform the Operation and Leave the Result in Trigonometric Form $\frac { 2 \left( \cos 70 ^ { \circ } + i \sin 70 ^ { \circ } \right) } { 4 \left( \cos 40 ^ { \circ } + i \sin 40 ^ { \circ } \right) }$

question 8

Multiple Choice

Perform the operation and leave the result in trigonometric form. $\frac { 2 \left( \cos 70 ^ { \circ } + i \sin 70 ^ { \circ } \right) } { 4 \left( \cos 40 ^ { \circ } + i \sin 40 ^ { \circ } \right) }$

• A) \(\frac { 1 } { 2 } \left( \cos 30 ^ { \circ } + i \sin 30 ^ { \circ } \right)\)
• B) \(\frac { 1 } { 2 } \left( \cos 40 ^ { \circ } + i \sin 40 ^ { \circ } \right)\)
• C) \(\frac { 1 } { 2 } \left( \cos 30 ^ { \circ } - i \sin 30 ^ { \circ } \right)\)
• D) \(\frac { 1 } { 2 } \left( \cos 70 ^ { \circ } - i \sin 70 ^ { \circ } \right)\)
• E) \(\frac { 1 } { 2 } \left( \cos 70 ^ { \circ } + i \sin 70 ^ { \circ } \right)\)

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Definitions:

Renal Medulla

The middle portion of the kidney.

Middle Portion

The central segment or part of an object, area, or concept.

Renin

A hormone secreted by the kidney that helps to regulate blood pressure.

Blood Pressure

A measure of the force that circulating blood exerts against the walls of the arteries.