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Mathematics 10 Online
OpenStudy (anonymous):

Express the complex number in trigonometric form. -4i A. 4(cos 180° + i sin 180°) B. 4(cos 270° + i sin 270°) C. 4(cos 90° + i sin 90°) D. 4(cos 0° + i sin 0°)

OpenStudy (anonymous):

it looks like this |dw:1439431346663:dw|

OpenStudy (anonymous):

what do you think?

OpenStudy (anonymous):

Good so far

OpenStudy (anonymous):

found your answer yet?

OpenStudy (anonymous):

C?

OpenStudy (anonymous):

|dw:1439431452337:dw|

OpenStudy (anonymous):

Oh, B

OpenStudy (anonymous):

yes

OpenStudy (anonymous):

Thank you!

OpenStudy (anonymous):

yw

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