Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Mathematical Methods of Physics
The third term in the expansion of coshz about z=πi is
1
\(\frac{(z - π i)^2}{2!} \cosh (π i)\)
2
\(\frac{(z - π i)^2}{2!} \sinh (π i)\)
3
\( \frac{(z - π i)^3}{3!} \sinh (π i) \)
4
\( \frac{(z - π i)^3}{3!} \cosh (π i) \)