Express the complex number in trigonometric form. -5i a. 5(cos 270° + i sin 270°) b. 5(cos 180° + i sin 180°) c. 5(cos 90° + i sin 90°) d. 5(cos 0° + i sin 0°)

Express the complex number in trigonometric form. -5i

a. 5(cos 270° + i sin 270°)
b. 5(cos 180° + i sin 180°)
c. 5(cos 90° + i sin 90°)
d. 5(cos 0° + i sin 0°)

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Express the complex number in trigonometric form. -5i a. 5(cos 270° + i sin 270°) b. 5(cos 180° + i sin 180°) c. 5(cos 90° + i sin 90°) d. 5(cos 0° + i sin 0°)

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