Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (anonymous):

Use DeMoivre's theorem to find the indicated power of (5+5i)^3? (rectangular form)

OpenStudy (anonymous):

first, express the situation: \[ 5+5i=r(\cos\theta+i\sin\theta) \]

OpenStudy (anonymous):

what do we get for "r" and theta?

OpenStudy (anonymous):

r=5 and I am not quite sure how to find theta...is it tan(x)=b/a?

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!
Latest Questions
Arriyanalol: i need help
14 hours ago 7 Replies 1 Medal
Arriyanalol: CONGRATS to me
17 hours ago 8 Replies 2 Medals
Legomaster346: What colleges are good that are near Arab Alabama?
1 week ago 5 Replies 0 Medals
Arriyanalol: i need help
1 week ago 6 Replies 2 Medals
Arizona: does anyone know the percentage rate of 30,000 and 40,000
1 week ago 0 Replies 0 Medals
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!