Find the Trigonometric Form of the Complex Number Shown Below $8 i$

question 85

Multiple Choice

Find the trigonometric form of the complex number shown below. $8 i$

• A) \(8 ( \cos \pi + i \sin \pi )\)
• B) \(8 \left( \cos \frac { \pi } { 2 } + i \sin \frac { \pi } { 2 } \right)\)
• C) \(8 \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right)\)
• D) \(8 \left( \cos \frac { \pi } { 4 } + i \sin \frac { \pi } { 4 } \right)\)
• E) \(8 ( \cos 0 + i \sin 0 )\)

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