Question

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

Answer 1

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

Explanation:

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`.