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OpenStudy (anonymous):
Pre-calc Help Write the complex number in the form a + bi. 3(cos 270° + i sin 270°) -3i 3i 3 -3
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Nnesha (nnesha):
cos 270 = ?? sin 270= ?? order pair on unit circle
Nnesha (nnesha):
|dw:1430584129005:dw| ?
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