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Mathematics 8 Online
OpenStudy (anonymous):

Express the complex number in trigonometric form. -6i A. 6(cos 0° + i sin 0°) B. 6(cos 270° + i sin 270°) C. 6(cos 180° + i sin 180°) D. 6(cos 90° + i sin 90°)

OpenStudy (anonymous):

Correct answer is B.

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