Perform the Indicated Operation Using Trigonometric Form $( - 6 - 6 i ) ( - 5 - 5 i )$

question 88

Multiple Choice

Perform the indicated operation using trigonometric form.Leave answer in trigonometric form. $( - 6 - 6 i ) ( - 5 - 5 i )$

• A) \(30 \left( \cos \frac { \pi } { 8 } + i \sin \frac { \pi } { 8 } \right)\)
• B) \(- 60 \left( \cos \frac { \pi } { 8 } + i \sin \frac { \pi } { 8 } \right)\)
• C) \(30 \left( \cos \frac { \pi } { 2 } + i \sin \frac { \pi } { 2 } \right)\)
• D) \(60 \left( \cos \frac { \pi } { 2 } + i \sin \frac { \pi } { 2 } \right)\)
• E) \(- 30 \left( \cos \frac { \pi } { 8 } + i \sin \frac { \pi } { 8 } \right)\)

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Definitions:

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