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OpenStudy (anonymous):
Express the complex number in trigonometric form. -6i 6(cos 0° + i sin 0°) 6(cos 270° + i sin 270°) 6(cos 180° + i sin 180°) 6(cos 90° + i sin 90°)
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OpenStudy (anonymous):
"6(cos 270° + i sin 270°)" is it cos(0) ?
OpenStudy (anonymous):
never mind:)
OpenStudy (anonymous):
cos(270) works lol
OpenStudy (unklerhaukus):
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