MATHEMATICS · Multi-part · AP · AP Precalculus · Trigonometric and Polar Functions · Trigonometric and Polar Functions
Problem
For the function y=cosx, answer the following for the interval [−2π,2π].
(i) List the coordinates of all points where the function attains its maximum value.
(ii) List the coordinates of all points where the function attains its minimum value.
(iii) State all zeros of the function in this interval.