QPaperGen

Find the values of \( k \) so that the function \( f(x) = \begin{cases} \frac{k \cos x}{\pi - 2x}, & x \neq \frac{\pi}{2} \\ 3, & x = \frac{\pi}{2} \end{cases} \) is continuous at \( x = \frac{\pi}{2} \).