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.
While Kate is in Salem, she feels a connection with the troubled Billie Reed (Lisa Rinna) and her brother Austin (Patrick Muldoon). She pursues powerful crime lord, Victor Kiriakis, and they decide to marry. Lucas, much to Kate's dismay, pursues the identity of his father.hile Kate is in Salem, she feels a connection with the troubled Billie Reed (Lisa Rinna) and her brother Austin (Patrick Muldoon). She pursues powerful crime lord, Victor Kiriakis, and they decide to marry. Lucas, much to Kate's dismay, pursues the identity of his father.