Question Number 192766 by gopikrishnan last updated on 26/May/23
$${if}\:\pi/\mathrm{2}<{x}<\pi\:{and}\:\sqrt{\mathrm{1}+\mathrm{sin}\:{x}/\mathrm{1}−\mathrm{sin}\:{x}=\:{k}\mathrm{sec}\:{x}\:,{then}\:{k}=} \\ $$
if-pi-2-lt-x-lt-pi-and-1-sin-x-1-sin-x-ksec-x-then-k-