The function whose graph is given below is y = tan (x).
What is a function?
Function is a relation between the input and the output of a system.
From the graph, it is clear that the given function passes through the origin(0, 0).
Therefore, for x = 0, y = 0 for the given function.
Now, at x = 0,
y = sec (0) = 1
y = tan (0) = 0
y = cosec (0) = Not defined
y = cot (0) = Not defined
Now, it is clear that, the function y = tan (x) represents the given graph.
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