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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°)
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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?
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OpenStudy (anonymous):
|dw:1439431452337:dw|
OpenStudy (anonymous):
Oh, B
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
Thank you!
OpenStudy (anonymous):
yw
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