Answer
$A$.
Work Step by Step
For $y=-cot(x)$, the graph should pass $(\frac{\pi}{2},0)$ and increases in $(0,\pi)$, thus the answer is $A$.
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.