In the complex plane, sine & cosine are no longer bounded. However, the relation we all know and love still survives.pic.twitter.com/IJmNMHvWVm
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
It's not necessarily constant, though.
which function are you referring to?
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.