Graph c is the graph of y = cosx. Option c is correct.
From the graphs the correct graph of the y = cosx is to be determined.
What is graph?
The graph is a demonstration of curves that gives the relationship between the x and y-axis.
Graph A is not correct because at
x = 0,
y = cos0
y = 1 , but graph shows -1 so it is wrong,
Similarly,
Graph B and Graph D is also wrong because both have
At x = 0
y = cos0
y = 0
Graph C,
at x = 0
y = cos 0
y = +1
and at x = π
y = cosπ
y = -1 , so graph C is correct graph of y = cosx.
Thus, Graph c is the graph of y = cosx. Option c is correct.
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