Question

Consider the graph of the cosine function shown below.

Answer 1

Do you know what the highest y value our function takes is ?
Do you know what the lowest y value our function takes is?

Answer 2

no

Answer 3

The y-axis is that vertical line. You should be able to find the highest and lowest point on your curve and run your finger horizontally til you reach the y-axis and read what the highest and lowest y value are.

Answer 4

4 & -4

Answer 5

that's right. now if you run your finger vertically til you get to the theta (sometimes called x axis) you can read for what theta those y vales you just found occur

Answer 6

i dont understand what you mean