117. If $\theta$ is the angle between the left and right tangents to the graph of $y = |\ln x|$ at the corner point, then $\tan\theta$ equals: (1) $-1$ (2) $1$ (3) zero (4) $\infty$
\textbf{117.} If $\theta$ is the angle between the left and right tangents to the graph of $y = |\ln x|$ at the corner point, then $\tan\theta$ equals:
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(1) $-1$ \hfill (2) $1$ \hfill (3) zero \hfill (4) $\infty$
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