Question
Sketch the graphs of the following functions:
$\text{f(x)}=\cot\frac{\pi\text{x}}{2}$
$\text{f(x)}=\cot\frac{\pi\text{x}}{2}$
✓
Answer
$\text{f(x)}=\cot\frac{\pi\text{x}}{2}$
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