Ask your own question, for FREE!
Mathematics 23 Online
OpenStudy (anonymous):

How do you turn this into standard form ? 4(cos120° +i sin120° ) ?

OpenStudy (asnaseer):

use the fact that:\[\cos(120)=-\frac{1}{2}\]and:\[\sin(120)=\frac{\sqrt{3}}{2}\]

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!