Spirals and trigonometric functions: R exercise #9

Define a one-line R function FUN that provides the following output:
FUN(seq(from = 0, to = 20, by = 0.1))

FUN(seq(from = 0, to = 100, by = 0.1))

FUN(seq(from = 0, to = 200, by = 0.1))

Answer: click to reveal

We can write the function as follo…