How do you find the value of $sin ((7(pi)) / 2)$ using the graph?

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Answer 1 · 2016-01-26T08:43:34

$sin ((7pi)/2)=-1$

Let $y=sin x$

graph{y=sin x [-2, 12, -6, 6] }

Check the value of $y$ at $x=(7pi)/2=10.9956$ and $y=-1$ . From the graph, when $x=(7pi)/2=10.9956$ and $y=-1$ .

How do you find the value of sin ((7(pi)) / 2)sin ((7(pi)) / 2) using the graph?