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

I need to prove identitie (sin(theta) + sin(3theta))\(cos(theta)+cos(3theta))=tan(2theta)

OpenStudy (anonymous):

eassyyy

OpenStudy (anonymous):

how

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!