Let $f(x)=\sin x$ and $g(x)= an x$. Then $f / g$ is not

Question

Let $f(x)=\sin x$ and $g(x)=	an x$. Then $f / g$ is not

Professor PC Thomas Classes · Answer

$f/g = \sin x / 	an x = \cos x$. It is undefined where $g(x) = 	an x$ is undefined or $g(x)=0$, such as $x = \pi/2$.