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

Prove the identity cos^2(2x)=1-4sin^4(x)cot^2(x)

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!