Write a program that will demonstrate some of the C Library Functions, Stream Manipulators, and Selection Control Structures. The user will be given a menu of four choices. They can input a 1 for finding Cosines, 2 for finding Logarithms, 3 for converting between Decimal and Hexadecimal, or 4 to change the format of a cstring date. You must use the proper functions and/or stream manipulators to find the answers.

Read these lines from beowulf.often scyld scefing seized mead-benches from enemytroops, from many a clan, he terrified warriors, even thoughfirst he was found a waif, best explains why the author includes this information in theexposition? a. to emphasize that a hero must learn to be fierceb. to remember the famous story of a popular heroc. to express sadness about losing the old heroesd. to see whether people still respect the old heroes