Question

Find the following integrals.
$\int$ sec x (sec x +tan x)dx.

Answer 1

$\int$ sec x (sec x +tan x)dx =$\int (se{c}^2$ x +sec x.tan x)dx
$=\int se{c}^{2}xdx+\int$ sec x.tan x dx =tan x +sec x+C