The value of \( \sum_{k=1}^{23} \frac{1}{\cos \left(\frac{\pi}{4}+\...

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The value of \( \sum_{k=1}^{23} \frac{1}{\cos \left(\frac{\pi}{4}+\frac{(k-1) \pi}{6}\right) \cos \left(\frac{\pi}{4}+\frac{k \pi}{6}\right)} \) is
\( \mathrm{P} \)
equal to \( n \) then \( |n| \) is equal to (use \( \sqrt{3}=1.73 \) )
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