Can someone help me solve this

Graph g(x)=2cosx . use 3.14 for π . use the sine tool to graph the function. graph the function by plotting two points. the first point must be on the midline and closest to the origin. the second point must be a maximum or minimum value on the graph closest to the first point.

Me. i can't figure out this question. give an explanation too. .

Ineed someone to me answer my question i have to have this done and knocked out