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Mathematics 7 Online
OpenStudy (dtan5457):

question about trig complex

OpenStudy (dtan5457):

isn't cos(-x) suppose to be cosx?

OpenStudy (dtan5457):

why didn't they use that here?

OpenStudy (loser66):

ok, for the second problem of a) 1-i, where is it?

OpenStudy (loser66):

|dw:1452464192149:dw|

OpenStudy (dtan5457):

4th quadrant

OpenStudy (loser66):

|dw:1452464250126:dw|

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