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

What is the domain of the graph of y = cos x?

OpenStudy (anonymous):

isn't it all real numbers?

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!