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In which quadrant does 3(cos(5pi/3) + isin(5pi/3) lie?
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5 votes
In which quadrant does 3(cos(5pi/3) + isin(5pi/3) lie?

User Dorean
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5 votes
cos(5pi/3) is positive
sin(5pi/3) is negative

the real part is positive and the imaginary part is negative

this is in quadrant 4


User Evanb
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