1.
If the function
f(x)={(1+cosx)csc2x,0<x<π2μ,x=π2(1+cosx)cos2xsin2x,π2<x<πf(x) = \begin{cases} (1+\cos x)\csc^2 x, & 0 < x < \frac{\pi}{2} \\ \mu, & x = \frac{\pi}{2} \\ \frac{(1+\cos x)\cos^2 x}{\sin^2 x}, & \frac{\pi}{2} < x < \pi \end{cases}
is continuous at x=π2x = \frac{\pi}{2}, then 9+6logeμ+μ6e6/49 + 6\log_e \mu + \mu^6 - e^{6/4} is equal to