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.
In 1977, the role of Kate Winograd was introduced with actress Elaine Princi, and left in 1978. Princi briefly returned for guest stints the following year. In 1993, the character was re-introduced by then head writer Sheri Anderson, with veteran actress Deborah Adair originating the role.ate is the mother of Austin Reed, Billie Reed, Lucas Horton, Philip Kiriakis, and twins Cassie and Rex Brady. Kate is the ex-wife of Curtis Reed, Victor Kiriakis, Roman Brady, and Stefano DiMera.