CS 173 Lecture 7: Intro to Functions

i have a question on how to add functions in rstudio

Part (c) [2 MARKS] You almost certainly have duplicate code between your two functions. Write a helper function that you could have used to eliminate that duplicate code. Do not rewrite your functions for parts (a) and (b). It is not necessary to write a docstring.

write the necessary preprocessor directive to enable the use of functions like sqrt and sin.