Ask your own question, for FREE!
Mathematics 11 Online
OpenStudy (anonymous):

use de moivre's theorem to express cos 2θ in terms of sinθ and cosθ ?

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!