1 Suppose we want to differentiate Æ (x) = x 2 sin (x). 2  By using the product rule, one gets the derivative Æ '(x) = 2 x sin(x) + x 2 cos(x) (since the derivative of x 2 is 2 x and the derivative of sin(x) is cos(x)).
Costanza Connie Falconeri/Kate Howard (as played by Kelly Sullivan on General Hospital) Useful information about Costanza Connie Falconeri/Kate Howard. * She grew up in Bensonhurst in an Italian American family. * Her birth name is Constanza Louise Falconeri. * She almost ran off with Sonny while in high school, but didn't want to give up on her dream of a career in fashion.
Kate in song, story & screen: | Edit. Kate Fitzgerald, a 16-year-old leukemia patient in the book My Sister's Keeper by Jodi Picoult and the movie of the same name. Kate Monster, main female character in the Broadway show Avenue Q. Kate, a song by Ben Folds Five.