How do you determine if $sin x/x$ is an even or odd function?

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Answer 1 · 2018-03-17T10:38:39

even

$f(x)" is odd "=>f(-x)=-f(x)$

$f(x)" is even "=>f(-x)=f(x)$

$f(x)=sinx/x$

$f(-x)=sin(-x)/(-x)$

$f(-x)=(-sinx)/-x$

$=sinx/x=f(x)$

$:." even"$

How do you determine if sin x/xsin x/x is an even or odd function?