Ask your own question, for FREE!
Mathematics 6 Online
OpenStudy (anonymous):

what is (-x) cos (-x) equal to?

hartnn (hartnn):

cos(-x) = cos x

OpenStudy (anonymous):

kk thank you :)

hartnn (hartnn):

welcome ^_^

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!