Write the Complex Number in Trigonometric Form $Z = 3 ( \cos \pi - i \cos \pi )$

question 136

Multiple Choice

Write the complex number in trigonometric form.

• A) \(Z = 3 ( \cos \pi - i \cos \pi )\)
• B) \(Z = 3 ( \cos \pi + i \sin \pi )\)
• C) \(Z = - 3 ( \cos \pi + i \sin \pi )\)
• D) \(Z = 3 \left( \cos \frac { \pi } { 2 } - i \sin \frac { \pi } { 2 } \right)\)
• E) \(Z = 3 \left( \cos \frac { 3 \pi } { 2 } + i \sin \frac { 3 \pi } { 2 } \right)\)

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