Answer
$f(-x)=f(x)$; the function is even.
Work Step by Step
$f(x)=\frac{\sin x}{x}$
$f(-x)=\frac{\sin (-x)}{-x}=\frac{-\sin x}{-x}=\frac{\sin x}{x}=f(x)$
As $f(-x)=f(x)$ , the function is even.
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