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Mathematics 15 Online
OpenStudy (anonymous):

.

hartnn (hartnn):

sin (4pi/3) will be negative, because 4pi/3 is in 3rd quadrant. so -3 - 3i sqroot 3 got this ?

OpenStudy (anonymous):

ok

hartnn (hartnn):

the 2nd one is correct :)

OpenStudy (anonymous):

okay thanks :)

hartnn (hartnn):

welcome :)

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