Pls say the answer for it pls
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Can someone me do math because i am having a breakdown rn because i don’t get it

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.

In a column proof the right column states your reasons