In trigonometry, which function is abbreviated "csc"?

Which word means to make a loud, wailing screech like a yowling cat? Crystal Bernard, who also launched a country music career, played Helen on which sitcom set at a Nantucket airport? The deaths of C.S. Lewis and Aldous Huxley on November 22, 1963, were overshadowed by whose death in Dallas? Which C.S. Lewis Narnia book is subtitled "The Return to Narnia"? "Cthulhu 2000" is an anthology of short stories inspired by the works of which author? C.T.R. Wilson shared the 1927 Nobel Prize in physics for inventing which device, which makes the paths of charged parti… Cuba removed Christmas from its list of national holidays in 1969 and restored it in 1997 ahead of a visit by whom? The Rough Riders' famous charge on July 1, 1898, is associated with which Cuban hill?