a. Consider the function f(x) = cos(0.65x). i. How much does a have to vary for the argument of f to vary by 2n * Preview ii. What is the period of f? * Preview b. Consider the function g(x) = sin(57x). i. How much does a have to vary for the argument of g to vary by 27? * Preview ii. What is the period of g? * Preview Submit