b) Consider the function f(x) = cos 3z. (i) Show that there exists 0 <<3 such that f()=0. [5] (ii) By using a calculator
Posted: Thu Jul 07, 2022 8:27 pm
b) Consider the function f(x) = cos 3z. (i) Show that there exists 0 <<3 such that f()=0. [5] (ii) By using a calculator, find an interval of length 0.1 that contains the you obtained in (1) (4) above. e) Show that the function f(z) [6] has three points of inflection. END