This problem has two parts. Part 1: Here is the graph of

Last updated: 8/10/2022

This problem has two parts. Part 1: Here is the graph of 3cos(3x +(1/4)π ) the interval [- π, π]. Give the coordinates of point A, the y-intercept:_______(To enter, type "pi" or select in the math editor.) Give the coordinates of point B, the first x-intercept along the positive x-axis:__________ Give the coordinates of point C, the first peak of the graph with positive value:___________